【单选题】
It was in 1969 ____ the American astronauts succeeded in landing on the moon.
①
when
②
the moment
③
which
④
that
【单选题】
18. The earth is about ____ as the moon.
①
as fifty time big
②
fifty times as big
③
as big fifty times
④
fifty as times big
【单选题】
As man moves into the space age, the study of biological rhythms is of increasing____________ to travellers, pilots, the armed forces and astronauts.
①
importance
②
important
③
importantly
④
import
【单选题】
Anger and bitterness had preyed upon me continually for weeks and a deep languor had succeeded this passionate struggle.
①
[A]几个星期来，气恼和痛苦不断地袭击着我；这种感情上的折磨后,我感到浑身无力。
②
[B]几个星期来，我处在气恼和痛苦之中；遭受这种感情的折磨后，我感到浑身无力。
③
[C] 几个星期来，我又气又恨，感到非常苦恼；经历了这种感情的折磨后，我感到浑身无力。
④
[D] 几个星期来，我经受着气恼和怨恨的吞噬；这种感情过后，我感到浑身无力。