题目内容
(请给出正确答案)
[单选题]
it is thought that meteories(陨星) may hold clues about the_____of life on Earth.
A.origin
B.reserve
C.basis
D.evidence
答案
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A.origin
B.reserve
C.basis
D.evidence
第1题
A.to think over
B.to be thought over
C.being thinking over
D.being thought over
第2题
A.of impossible
B.of as impossible
C.as impossible
D.up as impossible
第3题
A.of
B.on
C.in
第4题
A.instead of
B.even though
C.in spite of
D.as thought
第5题
A.this
B.which
C.whose
D.what
第8题
A.crisis
B.idea
C.pressure
D.thought
第9题
A.whom
B.whoever
C.who
D.which
第10题
A.since
B.while
C.thought
D.that