1. The hope, goals, fears and desires _D_ widely between men and women, between the rich and the poor. 1 L0 `& V! m/ Y/ M A alter B shift C transfer D vary 7 A0 D0 h. b+ \. G! j, }- g2 M
2. A man escaped from the prison last night. It was a long time _A_ the guards discovered what had happened. % `8 K; m6 y% u5 v A before B until C since D when # f" g) n+ r2 M/ |7 v: m6 ~
It + 系动词 + 一段时间 + before引导的句子 在…之前花费多少时间。 - ?" H9 |' Z O3. Scientists say it may be five or ten years _D_ it is possible to test this medicine on human patients. 1 z |% Q) V P7 E2 q4 x A since B when C after D before 8 f: ~0 s$ S6 F( j
4. In the experiment we kept a watchful eye _D_ the developments and recorded every detail. [keep a watchful eye on 密切主意,留神] 1 g) X% m4 e/ m1 ^% L5 ?0 J/ P' B A in B at C for D on 0 n# y l0 O- F- r
5. There‘s little chance that mankind would _D_ a nuclear war. 5 ]3 {/ D! _+ L1 C3 K A retain B endure C maintain D survive 7 A% S% i8 d t* o) i) t
retain vt. 保持,保留; endure v. 忍受; maintain vt. 维持,保持,坚持认为; : X( z6 i, m, ]$ I- U
survive vi. 生存; vt. 活过 … (宾语为某种灾难)。 survive a flood 活过一场洪水。 - p5 i" U" ?: a* G
前缀sur表示过 … ,外,超; vive 表示生活,强调活着。