16.In order to increase our output, we need to import more production _______.) \) W- D8 m+ p3 l8 P1 C3 m; S1 w
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A. facilities B.hens C.votes D.artists1 Z7 M2 h' O$ N! J* H( C- x
8 e! e$ I+ O! o |$ N' d2 |6 q* B17.When a spacecraft travels, one of the major problems is reentry into the Earth’s _______.. ]4 a% N1 t5 C4 q
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A. surface B.atmosphere C.attitude D.bent
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18.This river forms a natural _______ between China and Korea.! V( D; e2 h x- a
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A. boundary B.string C.spot D.zone) a! w- t9 A$ a2 X2 H9 D% ~
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19.She is already 16years old. But she _______as if she were still a little girl.9 d9 m+ I2 u: f+ ^4 N' R9 ~9 k. L
; B# W- K( D& W A. believes B.absorbs C.accrses D.behaves
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0 \" i$ Y' Z1 y" l1 d8 x) d9 |20.We are _______ at the rapid progress Mark has made in this semester.; |9 g( o- a, y% c" X
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A. distinguished B.annoyed C.astonished D.scored; `1 p( Y& p y3 Y
; j* n, i w1 i- g$ Q" b) c8 A; z16.A 17.B 18.A 19.D 20.C |