1. You will want two trees about ten feet apart， from ________ to suspend your tent. & B. Z3 K) x5 u2 p9 b% NA) there B) them C) which D) where 3 E% v: U* t) t+ n# m2. As I was just getting familiar with this job， I had ________ to ask my boss. " _* a- I5 M/ g2 u& q6 ?A) many B) most C) more D) much * z' w: G# V4 D" G, T3. ________ quite recently， most mothers in Britain did not take paid work outside the home. + n4 @/ Z/ Z. V% `! C- W* YA) Before B) Until C) From D) Since 0 n; i! A) d/ H- U- \' f3 h4. The survival of civilization as we know it is ________ threat. 1 z2 {/ q q6 q/ P1 M kA) within B) under C) towards D) upon 5 }- d7 D! j+ O* `0 M- F5. Scientists say it may be five or ten years ________ it is possible to test this medicine on human patients.2 Z) l; `; z& H- K' r& f4 \ ^
A) since B) before C) after D) when 5 i! H0 K( f) `( c( Y( [8 t( V1-5 CDBBB
发表于 2012-8-14 13:31:34
