题目内容

We should all remember that some great scientific discoveries _____________ by chance.
A．gainedB．discoveredC．occurredD．earned
C
略
练习册系列答案
相关题目

She could be with her friend right now______at him.
A．laughB．laughedC．laughingD．being laughed

They often _______their friends at weekends and they always have a good time.
A．envyB．interestC．entertainD．encourage
There is no point arguing about what _____ the accident. The point is what to do with the victims of it.
A．led toB．caused toC．accounted toD．resulted from
I knew he failed in the final exam the moment I _______ him crying alone in the classroom.(原创)
A．at the sight ofB．caught sight ofC．in sight ofD．lost sight of
His eyes  suddenly widened. I knew a good idea must have _____ to him.
A．happenedB．appearedC．occurredD．hit

It is no good trying that method, because it won’t _______.
A．workB．practicalC．affectD．optimistic

Lisa may be too busy to attend your party but she will try to __________ something out.
A．workB．take C．findD．get
I couldn’t help________ the computer because I was not free at that time.
A．repairingB．repairC．to repairingD．repaired

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网