题目
第3题
All apparatus ______ (test)before the experiment began.
第4题
If they ______ (not help)us, our experiment would have failed.
第7题
The experiment in physics is Prof Strong.__________
A.in’charge of
B.taking charge of
C.in the charge of
D.taking the charge of
第8题
A、do
B、does
C、doing
D、done
第9题
The experiment ______ the discovery of a cure for cancer.
A. happened to
B. led up
C. resulted in
D. set up
第10题
A.worth
B.worthwhile
C.successful
D.successive
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