66.I do not wish to ______ your sincerity.
A. reflect B. reflect on C. reflect in D. reflect about
67.The smog is due ______ invisible gases, mostly from automobile exhaust.
A. from B. to C. for D. with
68.______ is accepted as true is relatively, and not absolutely, true.
A. It B. That C. What D. That it
69.How can you keep the machine ______ when you‘re away?
A. run B. to run C. running D. being run外语学习网
70.Because of his degree, he refused to do ______ he thought “low” work.
A. that B. what C. which D. who
参考答案:
66.正确答案:B答案解析:reflect on:思索,思考,有时表示“怀疑”。根据句意,应该选reflect on.
67.正确答案:B答案解析:due to是固定搭配,意思是:归因于,由于。
68.正确答案:C答案解析:本句中,what is accepted as true是主语从句,在句子中作主语。
69.正确答案:C答案解析:keep sb doing sth:使某人持续做某事。
70.正确答案:B答案解析:what在本句中引导do的宾语从句。