41There is much chance（）Bill will recover from his iryury in time for the race.
A.that
B.which
C.until
D.if
开始考试练习点击查看答案42They did the experiment（）their chemistry teacher had instructed.
A.as
B.though
C.until
D.when
开始考试练习点击查看答案43I don’t think（）possible to master a foreign language without much memory work.
A.that
B.this
C.you
D.it
开始考试练习点击查看答案44The police fortunately gained the key clew according to the foot mark in the（）of theroad.
A.clay
B.dirt
C.mud
D.soil
开始考试练习点击查看答案45These magnificent（）buildings demonstrate the great intelligence of the laboring people.
A.antique
B.ancient
C.primitive
D.remote
开始考试练习点击查看答案46These goods are（）for export, though a few of them may be sold on the home market.
A.essentially
B.completely
C.necessarily
D.remarkably
开始考试练习点击查看答案47Food will （） if the temperature in your freezer rises above 8^.
A.decay
B.rot
C.spoil
D.corrupt
开始考试练习点击查看答案48Sometimes it’s good to stop for a while to think about the past and （）the future.
A.contaminate
B.contemplate
C.consolidate
D.contradict
开始考试练习点击查看答案49The town's only claim to（）is that Queen Elizabeth I once visited it.
A.fame
B.honor
C.reputation
D.worship
开始考试练习点击查看答案50She once made a(n)（）appearance on television before she decided to step away fromthe entertainment industry.
A.brief
B.instant
C.prompt
D.transient
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