大学英语的题目,高手来挑战一下

大学英语的题目,高手来挑战一下
1. While he is still _______________ about the purchase, his business rivals have already made a lot of money from it.
A) on his mind B) in one mind C) in two minds D) in mind
2. The only way _____________ the quality of the students should be stricter discipline and more challenging examinations, says the headmaster.
A) improving B) improve C) to improve D) improves
3. The economic policies in China have ______________ great changes in our life.
A) brought back B) brought about C) brought around D) brought over
4. Your composition is pretty good _____________ grammar and spelling.
A) in terms of B) at the rate of C) in the name of D) in honor of
5. I report to my teacher every week to make sure that my efforts are made ______________.
A) in the right forms B) in the right directions
C) in accurate ways D) in precise manners
6. Mankind will have to ______________ the sun’s rays as a source of energy.
A) harness B) present C) convey D) contact
7. The damages to the building are _______________ that it will cost a lot of money to repair it.
A) so B) thus C) such D) in
8. If Columbus hadn’t discovered the New Continent, what ___________ America today ________________ very different.
A) were… would be B) is… should be C) is… were D) is… would be

9. A(n) ______________ record of any event is impossible. Different people will look at a happening from a different angle.
A) evident B) precise C) precious D) brief
10. At the end of this week, she should ________________ an essay to the teacher. Otherwise, she will have to retake the course.
A) submit B) hand C) devote D) offer

keys to these questions are :DCBABBAABA;Only for your reference