C\u00e2u 1:<\/strong>\u00a0C\u00e1c d\u00f2ng bi\u1ec3n n\u00f3ng th\u01b0\u1eddng c\u00f3 h\u01b0\u1edbng ch\u1ea3y:<\/p>\n A. T\u1eeb v\u0129 \u0111\u1ed9 cao v\u1ec1 v\u0129 \u0111\u1ed9 th\u1ea5p\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 B. B\u1eafc \u2013 Nam<\/p>\n C. T\u1eeb v\u0129 \u0111\u1ed9 th\u1ea5p v\u1ec1 v\u0129 \u0111\u1ed9 cao\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0D. Nam \u2013 B\u1eafc<\/p>\n C\u00e2u 2:<\/strong>\u00a0Trong t\u1ea7ng \u0111\u1ed1i l\u01b0u, trung b\u00ecnh c\u1ee9 l\u00ean cao 100m nhi\u1ec7t \u0111\u1ed9 s\u1ebd gi\u1ea3m:<\/p>\n A. 0,6\u00b0C\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 B. 1\u00b0C\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 C. 1,6\u00b0C\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0D. 0,06\u00b0C<\/p>\n C\u00e2u 3:<\/strong>\u00a0Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng s\u1ebd d\u1eabn \u0111\u1ebfn kh\u00ed \u00e1p:<\/p>\n A. Ch\u1ec9 gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean ch\u01b0a \u0111\u1ea1t \u0111\u1ebfn 30\u00b0C<\/p>\n B. Kh\u00f4ng t\u0103ng, kh\u00f4ng gi\u1ea3m<\/p>\n C. T\u0103ng l\u00ean<\/p>\n D. Gi\u1ea3m \u0111i<\/p>\n C\u00e2u 4:<\/strong>\u00a0Nh\u1eadn \u0111\u1ecbnh n\u00e0o d\u01b0\u1edbi \u0111\u00e2y ch\u01b0a ch\u00ednh x\u00e1c:<\/p>\n A. C\u00e1c kh\u1ed1i kh\u00ed \u0111\u01b0\u1ee3c chia th\u00e0nh ki\u1ec3u l\u1ee5c \u0111\u1ecba v\u00e0 h\u1ea3i d\u01b0\u01a1ng l\u00e0 d\u01b0a v\u00e0o c\u00e1c \u0111\u1eb7c t\u00ednh v\u1ec1 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u00f3<\/p>\n B. M\u1ed7i b\u00e1n c\u1ea7u tr\u00ean Tr\u00e1i \u0110\u1ea5t c\u00f3 b\u1ed1n kh\u1ed1i kh\u00ed ch\u00ednh<\/p>\n C. C\u00e1c kh\u1ed1i kh\u00ed c\u00f3 s\u1ef1 ph\u00e2n b\u1ed1 theo v\u0129 \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i r\u00f5<\/p>\n D. Kh\u1ed1i kh\u00ed x\u00edch \u0111\u1ea1o ch\u1ec9 c\u00f3 ki\u1ec3u h\u1ea3i d\u01b0\u01a1ng do t\u1ec9 l\u1ec7 di\u1ec7n t\u00edch l\u1ee5c \u0111\u1ecba \u1edf khu v\u1ef1c x\u00edch \u0111\u1ea1o r\u1ea5t \u00edt<\/p>\n C\u00e2u 5:<\/strong>\u00a0To\u00e0n b\u1ed9 c\u00e1c lo\u1ea1i th\u1ef1c v\u1eadt kh\u00e1c nhau sinh s\u1ed1ng tr\u00ean m\u1ed9t v\u00f9ng r\u1ed9ng l\u1edbn \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0:<\/p>\n A. H\u1ec7 th\u1ef1c v\u1eadt B. Ngu\u1ed3n n\u01b0\u1edbc C. Th\u1ea3m th\u1ef1c v\u1eadt D. R\u1eebng<\/p>\n C\u00e2u 6:<\/strong>\u00a0S\u00f3ng th\u1ea7n l\u00e0:<\/p>\n A. S\u00f3ng do c\u00e1c th\u1ea7n linh t\u1ea1o ra theo quan \u0111i\u1ec3m c\u1ee7a m\u1ed9t s\u1ed1 t\u00f4n gi\u00e1o<\/p>\n B. Do m\u1eb9 thi\u00ean nhi\u00ean n\u1ed5i gi\u1eadn<\/p>\n C. S\u00f3ng cao d\u1eef d\u1ed9i, kho\u1ea3ng 20 \u2013 30m<\/p>\n D. S\u00f3ng xu\u1ea5t hi\u1ec7n b\u1ea5t th\u1ea7n<\/p>\n C\u00e2u 7:<\/strong>\u00a0Gi\u1edbi h\u1ea1n d\u01b0\u1edbi c\u1ee7a sinh quy\u1ec3n l\u00e0:<\/p>\n A. \u0110\u00e1y \u0111\u1ea1i d\u01b0\u01a1ng (\u1edf \u0111\u1ea1i d\u01b0\u01a1ng) v\u00e0 \u0111\u00e1y c\u1ee7a t\u1ea7ng phong h\u00f3a (\u1edf l\u1ee5c \u0111\u1ecba)<\/p>\n B. \u0110\u1ed9 s\u00e2u 11km<\/p>\n C. Gi\u1edbi h\u1ea1n d\u01b0\u1edbi c\u1ee7a l\u1edbp v\u1ecf Tr\u00e1i \u0110\u1ea5t<\/p>\n D. Gi\u1edbi h\u1ea1n d\u01b0\u1edbi c\u1ee7a v\u1ecf l\u1ee5c \u0111\u1ecba<\/p>\n C\u00e2u 8:<\/strong>\u00a0S\u00f4ng c\u00f3 chi\u1ec1u d\u00e0i l\u1edbn nh\u1ea5t Th\u1ebf Gi\u1edbi l\u00e0:<\/p>\n A. S\u00f4ng Nin\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 B. S\u00f4ng Amad\u00f4n<\/p>\n C. S\u00f4ng Tr\u01b0\u1eddng Giang\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 D. S\u00f4ng Missisipi<\/p>\n C\u00e2u 9: H\u00e3y t\u00ednh \u0111\u1ed9 cao h c\u1ee7a \u0111\u1ec9nh n\u00fai ( \u0111\u01a1n v\u1ecb: km ) ?<\/p>\n Bi\u1ebft r\u1eb1ng: B\u00ean s\u01b0\u1eddn A c\u1ee7a n\u00fai c\u00f3 gj\u00f3 t\u1eeb bi\u1ec3n mang kh\u00f4ng kh\u00ed \u1ea9m t\u1eeb bi\u1ec3n th\u1ed5i \u0111\u1ebfn, g\u00e2y m\u01b0a. Gi\u00f3 n\u1ea7y v\u01b0\u1ee3t qua \u0111\u1ec9nh n\u00fai, khi qua s\u01b0\u1eddn B c\u1ee7a n\u00fai: tr\u1edf n\u00ean n\u00f3ng kh\u00f4. Nhi\u1ec7t \u0111\u1ed9: d\u01b0\u1edbi ch\u00e2n n\u00fai thu\u1ed9c s\u01b0\u1eddn A l\u00e0 25\u00b0c v\u00e0 d\u01b0\u1edbi ch\u00e2n n\u00fai thu\u1ed9c s\u01b0\u1eddn B l\u00e0 45\u00b0c.<\/p>\n A. 3\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0B. 4\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 C. 5\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 D. 6<\/p>\n C\u00e2u 10:<\/strong>\u00a0H\u01b0\u1edbng th\u1ed5i th\u01b0\u1eddng xuy\u00ean c\u1ee7a gi\u00f3 T\u00e2y \u00f4n \u0111\u1edbi \u1edf 2 b\u00e1n c\u1ea7u l\u00e0:<\/p>\n A. T\u00e2y Nam \u1edf c\u1ea3 1 b\u00e1n c\u1ea7u<\/p>\n B. T\u00e2y Nam \u1edf b\u00e1n c\u1ea7u B\u1eafc v\u00e0 T\u00e2y B\u1eafc \u1edf b\u00e1n c\u1ea7u Nam<\/p>\n C. T\u00e2y B\u1eafc \u1edf b\u00e1n c\u1ea7u B\u1eafc v\u00e0 T\u00e2y Nam \u1edf b\u00e1n c\u1ea7u Nam<\/p>\n D. T\u00e2y B\u1eafc \u1edf c\u1ea3 2 b\u00e1n c\u1ea7u<\/p>\n C\u00e2u 11:<\/strong>\u00a0Fr\u00f4ng kh\u00ed quy\u1ec3n l\u00e0:<\/p>\n A. M\u1eb7t ti\u1ebfp x\u00fac v\u1edbi m\u1eb7t \u0111\u1ea5t c\u1ee7a 1 kh\u1ed1i kh\u00ed<\/p>\n B. M\u1eb7t ti\u1ebfp x\u00fac gi\u1eefa 1 kh\u1ed1i kh\u00ed h\u1ea3i d\u01b0\u01a1ng v\u1edbi 1 kh\u1ed1i kh\u00ed l\u1ee5c \u0111\u1ecba<\/p>\n C. M\u1eb7t ti\u1ebfp x\u00fac c\u1ee7a 2 kh\u1ed1i kh\u00ed c\u00f3 ngu\u1ed3n g\u1ed1c kh\u00e1c nhau<\/p>\n D. M\u1eb7t ti\u1ebfp x\u00fac gi\u1eefa 2 kh\u1ed1i kh\u00f4ng kh\u00ed \u1edf v\u00f9ng ngo\u1ea1i tuy\u1ebfn<\/p>\n C\u00e2u 12:<\/strong>\u00a0V\u00e0o th\u1eddi gian \u0111\u1ea7u \u0111\u00f4ng n\u01b0\u1edbc ta ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a kh\u1ed1i kh\u00ed:<\/p>\n A. \u0110\u1ecba c\u1ef1c l\u1ee5c \u0111\u1ecba\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 B. \u00d4n \u0111\u1edbi l\u1ee5c \u0111\u1ecba<\/p>\n C. \u00d4n \u0111\u1edbi h\u1ea3i d\u01b0\u01a1ng\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 D. Ch\u00ed tuy\u1ebfn l\u1ee5c \u0111\u1ecba<\/p>\n C\u00e2u 13:<\/strong>\u00a0Dao \u0111\u1ed9ng th\u1ee7y tri\u1ec1u l\u1edbn nh\u1ea5t khi:<\/p>\n A. M\u1eb7t Tr\u0103ng, M\u1eb7t Tr\u1eddi, Tr\u00e1i \u0110\u1ea5t n\u1eb1m th\u1eb3ng h\u00e0ng<\/p>\n B. Tr\u00e1i \u0110\u1ea5t n\u1eb1m \u1edf v\u1ecb tr\u00ed g\u1ea7n M\u1eb7t Tr\u1eddi nh\u1ea5t<\/p>\n C. M\u1eb7t Tr\u0103ng, M\u1eb7t Tr\u1eddi, Tr\u00e1i \u0110\u1ea5t n\u1eb1m tr\u00ean c\u00f9ng m\u1ed9t m\u1eb7t ph\u1eb3ng<\/p>\n D. B\u00e1n c\u1ea7u b\u1eafc ng\u00e3 v\u1ec1 ph\u00ed M\u1eb7t Tr\u1eddi<\/p>\n C\u00e2u 14:<\/strong>\u00a0D\u1ea3i h\u1ed9i t\u1ee5 nhi\u1ec7t \u0111\u1edbi h\u00ecnh th\u00e0nh t\u1eeb 2 kh\u1ed1i kh\u00ed:<\/p>\n A. Ch\u00ed tuy\u1ebfn h\u1ea3i d\u01b0\u01a1ng v\u00e0 ch\u00ed tuy\u1ebfn l\u1ee5c \u0111\u1ecba<\/p>\n B. Ch\u00ed tuy\u1ebfn h\u1ea3i d\u01b0\u01a1ng v\u00e0 x\u00edch \u0111\u1ea1o<\/p>\n C. Ch\u00ed tuy\u1ebfn l\u1ee5c \u0111\u1ecba v\u00e0 x\u00edch \u0111\u1ea1o<\/p>\n D. B\u1eafc x\u00edch \u0111\u1ea1o v\u00e0 Nam x\u00edch \u0111\u1ea1o<\/p>\n C\u00e2u 15:<\/strong>\u00a0\u1ede v\u00f9ng \u00f4n \u0111\u1edbi l\u1ea1nh, s\u00f4ng th\u01b0\u1eddng l\u0169 l\u1ee5t v\u00e0o l\u00fac :<\/p>\n A. M\u00f9a h\u1ea1 l\u00e0 m\u00f9a m\u01b0a nhi\u1ec1u\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0B. M\u00f9a thu l\u00e0 m\u00f9a b\u1eaft \u0111\u1ea7u c\u00f3 tuy\u1ebft r\u01a1i<\/p>\n C. M\u00f9a \u0111\u00f4ng l\u00e0 m\u00f9a m\u01b0a nhi\u1ec1u\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 D. M\u00f9a xu\u00e2n l\u00e0 m\u00f9a tuy\u1ebft tan<\/p>\n C\u00e2u 16:<\/strong>\u00a0Do m\u1ea5t h\u1ebft h\u01a1i \u1ea9m \u1edf s\u01b0\u1eddn \u0111\u00f3n gi\u00f3 \u2192 qua b\u00ean s\u01b0\u1eddn \u0111\u00f3n gi\u00f3, kh\u00f4ng kh\u00ed tr\u1edf n\u00ean kh\u00f4 v\u00e0 c\u1ee9 xu\u1ed1ng 100 m\u00e9t: t\u00b0c l\u1ea1i t\u0103ng:<\/p>\n A. 0,4\u00b0c\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 B. 0,6\u00b0c\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0C. 0,8\u00b0c\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0D. 1\u00b0c<\/p>\n C\u00e2u 17:<\/strong>\u00a0Fr\u00f4ng \u00f4n \u0111\u1edbi(FP) l\u00e0 fr\u00f4ng h\u00ecnh th\u00e0nh do s\u1ef1 ti\u1ebfp x\u00fac c\u1ee7a 2 kh\u1ed1i kh\u00ed:<\/p>\n A. \u00d4n \u0111\u1edbi l\u1ee5c \u0111\u1ecba v\u00e0 \u00f4n \u0111\u1edbi h\u1ea3i d\u01b0\u01a1ng\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0B. \u0110\u1ecba c\u1ef1c v\u00e0 \u00f4n \u0111\u1edbi<\/p>\n C. \u00d4n \u0111\u1edbi v\u00e0 ch\u00ed tuy\u1ebfn\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0D. \u0110\u1ecba c\u1ef1c l\u1ee5c \u0111\u1ecba v\u00e0 \u0111\u1ecba c\u1ef1c h\u1ea3i d\u01b0\u01a1ng<\/p>\n C\u00e2u 18:<\/strong>\u00a0Quy\u1ec3n ch\u1ee9a to\u00e0n b\u1ed9 s\u1ef1 s\u1ed1ng c\u1ee7a tr\u00e1i \u0111\u1ea5t g\u1ecdi l\u00e0:<\/p>\n A. Th\u1ea1ch quy\u1ec3n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 B. Sinh quy\u1ec3n<\/p>\n C. Th\u1ed5 nh\u01b0\u1ee1ng quy\u1ec3n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0D. Kh\u00ed quy\u1ec3n<\/p>\n C\u00e2u 19:<\/strong>\u00a0Nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu g\u00e2y n\u00ean s\u00f3ng th\u1ea7n l\u00e0:<\/p>\n A. N\u00fai l\u1eeda phun d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n\u00a0 \u00a0 \u00a0 \u00a0B. \u0110\u1ed9ng \u0111\u1ea5t d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n<\/p>\n C. B\u00e3o l\u1edbn\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 D. Gi\u00f3 m\u1ea1nh<\/p>\n C\u00e2u 20:<\/strong>\u00a0Khi trong l\u1ee5c \u0111\u1ecba h\u00ecnh th\u00e0nh \u00e1p cao, ngo\u00e0i \u0111\u1ea1i d\u01b0\u01a1ng h\u00ecnh th\u00e0nh \u00e1p<\/p>\n th\u1ea5p \u2192 Gi\u00f3 t\u1eeb l\u1ee5c \u0111\u1ecba th\u1ed5i ra \u0111\u1ea1i d\u01b0\u01a1ng g\u1ecdi l\u00e0 lo\u1ea1i gi\u00f3 g\u00ec ?<\/p>\n A. Gi\u00f3 m\u00f9a: m\u00f9a h\u1ea1\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0B. Gi\u00f3 m\u00f9a: m\u00f9a \u0111\u00f4ng<\/p>\n C. Gi\u00f3 \u0111\u1ea5t\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 D. Gi\u00f3 bi\u1ec3n<\/p>\n C\u00e2u 21:<\/strong>\u00a0C\u00e2u n\u00e0o d\u01b0\u1edbi \u0111\u00e2y kh\u00f4ng ch\u00ednh x\u00e1c:<\/p>\n A. S\u00f3ng bi\u1ec3n l\u00e0 h\u00ecnh th\u1ee9c giao \u0111\u1ed9ng c\u1ee7a n\u01b0\u1edbc bi\u1ec3n theo chi\u1ec1u th\u1eb3ng \u0111\u1ee9ng<\/p>\n B. S\u00f3ng bi\u1ec3n l\u00e0 h\u00ecnh th\u1ee9c giao \u0111\u1ed9ng c\u1ee7a n\u01b0\u1edbc bi\u1ec3n theo chi\u1ec1u n\u1eb1m ngang<\/p>\n C. Nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu sinh ra s\u00f3ng th\u1ea7n l\u00e0 do \u0111\u1ed9ng \u0111\u1ea5t d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n<\/p>\n D. Nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu c\u1ee7a s\u00f3ng bi\u1ec3n v\u00e0 s\u00f3ng b\u1ea1c \u0111\u1ea7u l\u00e0 gi\u00f3<\/p>\n C\u00e2u 22:<\/strong>\u00a0Kh\u00f4ng kh\u00ed n\u1eb1m 2 b\u00ean c\u1ee7a Fr\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n v\u1ec1:<\/p>\n A. T\u1ed1c \u0111\u1ed9 di chuy\u1ec3n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0B. \u0110\u1ed9 d\u00e0y<\/p>\n C. Th\u00e0nh ph\u1ea7n kh\u00f4ng kh\u00ed\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0D. T\u00ednh ch\u1ea5t v\u1eadt l\u00ed<\/p>\n C\u00e2u 23:<\/strong>\u00a0Nh\u1eadn \u0111\u1ecbnh n\u00e0o d\u01b0\u1edbi \u0111\u00e2y ch\u01b0a ch\u00ednh x\u00e1c:<\/p>\n A. Gi\u00f3 th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb c\u00e1c \u00e1p cao<\/p>\n B. Hai \u0111ai \u00e1p cao \u0111\u01b0\u1ee3c ng\u0103n c\u00e1ch v\u1edbi nhau b\u1edfi 1 \u0111ai \u00e1p th\u1ea5p<\/p>\n C. Tr\u00ean Tr\u00e1i \u0110\u1ea5t c\u00f3 7 \u0111ai kh\u00ed \u00e1p ch\u00ednh<\/p>\n D. C\u00e1c \u0111ai kh\u00ed \u00e1p ph\u00e2n b\u1ed1 li\u00ean t\u1ee5c theo c\u00e1c \u0111\u01b0\u1eddng v\u0129 tuy\u1ebfn<\/p>\n C\u00e2u 24:<\/strong>\u00a0Kh\u1ed1i kh\u00ed ch\u00ed tuy\u1ebfn l\u1ee5c \u0111\u1ecba \u0111\u01b0\u1ee3c k\u00ed hi\u1ec7u l\u00e0:<\/p>\n A. Tc\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0B. TC\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 C. Tm\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 D. TM<\/p>\n C\u00e2u 25:<\/strong>\u00a0Trong s\u1ed1 c\u00e1c nh\u00e2n t\u1ed1 t\u1ef1 nhi\u00ean, nh\u00e2n t\u1ed1 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng nh\u1ea5t \u0111\u1ed1i v\u1edbi s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a c\u00e1c th\u1ea3m th\u1ef1c v\u1eadt tr\u00ean th\u1ebf gi\u1edbi l\u00e0:<\/p>\n A. \u0110\u1ea5t\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0B. Ngu\u1ed3n n\u01b0\u1edbc\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0C. Kh\u00ed h\u1eadu\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 D. \u0110\u1ecba h\u00ecnh<\/p>\n C\u00e2u 26:<\/strong>\u00a0Gi\u1edbi h\u1ea1n ph\u00eda tr\u00ean c\u1ee7a sinh quy\u1ec3n l\u00e0:<\/p>\n A. Gi\u1edbi h\u1ea1n tr\u00ean t\u1ea7ng \u0111\u1ed1i l\u01b0u\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 B. N\u01a1i ti\u1ebfp gi\u00e1p t\u1ea7ng \u00f4d\u00f4n<\/p>\n C. N\u01a1i ti\u1ebfp gi\u00e1p t\u1ea7ng i\u00f4n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 D. \u0110\u1ec9nh Ev\u01a1ret<\/p>\n C\u00e2u 27:<\/strong>\u00a0S\u1ef1 ph\u00e2n b\u1ed1 th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ea5t theo \u0111\u1ed9 cao ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o y\u1ebfu t\u1ed1:<\/p>\n A. Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed.<\/p>\n B. Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed.<\/p>\n C. \u0110\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed v\u00e0 \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed.<\/p>\n D. Nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi gian chi\u1ebfu s\u00e1ng.<\/p>\n C\u00e2u 28:<\/strong>\u00a0Th\u1ee7y tri\u1ec1u l\u1edbn nh\u1ea5t khi n\u00e0o ?<\/p>\n A. Tr\u0103ng tr\u00f2n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 B. Tr\u0103ng Khuy\u1ebft<\/p>\n C. Kh\u00f4ng Tr\u0103ng\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0D. Tr\u0103ng Tr\u00f2n ho\u1eb7c kh\u00f4ng tr\u0103ng<\/p>\n H\u00e3y v\u1ebd bi\u1ec3u \u0111\u1ed3 th\u00edch h\u1ee3p th\u1ec3 hi\u1ec7n gi\u00e1 tr\u1ecb so s\u00e1nh v\u00e0 nh\u1eadn x\u00e9t v\u1ec1 \u0111\u1ed9 che ph\u1ee7 r\u1eebng c\u1ee7a n\u01b0\u1edbc ta qua c\u00e1c n\u0103m<\/p>\n <\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi h\u1ecdc k\u00ec 1 m\u00f4n \u0110\u1ecba l\u00fd l\u1edbp 10 n\u0103m h\u1ecdc 2017-2018 I. PH\u1ea6N TR\u1eaeC NGHI\u1ec6M KH\u00c1CH QUAN (7,0 \u0111i\u1ec3m) C\u00e2u 1:\u00a0C\u00e1c d\u00f2ng bi\u1ec3n n\u00f3ng th\u01b0\u1eddng c\u00f3 h\u01b0\u1edbng ch\u1ea3y:… <\/p>\n","protected":false},"author":1,"featured_media":6543,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,456,448,408],"tags":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/posts\/6540"}],"collection":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/comments?post=6540"}],"version-history":[{"count":0,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/posts\/6540\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/media\/6543"}],"wp:attachment":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/media?parent=6540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/categories?post=6540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/tags?post=6540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}II. PH\u1ea6N T\u1ef0 LU\u1eacN ( 3,0 \u0111i\u1ec3m )<\/strong><\/h4>\n
\n\n
\n N\u0103m<\/strong><\/td>\n 1943<\/td>\n 1975<\/td>\n 1990<\/td>\n 2005<\/td>\n<\/tr>\n \n \u0110\u1ed9 che ph\u1ee7 r\u1eebng (%)<\/strong><\/td>\n 42,4<\/td>\n 29,1<\/td>\n 27,9<\/td>\n 37,6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n