题目
第1题
A. worked
B. been working
C. working
D. to be worked
第3题
第4题
The scientists(success) ______ launched the satellite in spite of all the difficulties.
第5题
Many scientists have been probing psychological problems.
A.solving
B.exploring
C.settling
D.handling
第6题
Scientists are certain that the sea level____rise in the next 200 years.
A. is going to
B. may
C. will
D. should
第7题
Even talented scientists have no way to precisely forecast the future. (英译汉)
第8题
The team__________ of scientists and experts in different lines of work.
A.insisted
B.consisted
C.persisted
D.composed
第10题
The scientists discovered DNA that _____belonged______to the phone's speaker on each of the phones
A.moved
B.changed
C.belonged
D.turned
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