1 . He has contributed a number of articles ______ solving the problem.

A．about

B．to

C．in

D．with

5 . 用所给短语的正确形式填空

lead to            the other day                 come across            engage in          apart from due to             in despite of                 pick out                  run out of          put out

1. I think they are admirable because they ________ fires and save people’s lives.
2. Malaria kills over 1,000,000 people a year―more than any disease ________ AIDS.
3. We’ve just ________ an old friend we haven’t seen for ages.
4. ________ the fact that he worked very hard, he didn’t manage to pass the exam.
5. Too much work and too little rest can ________ illness.
6. It was only ________ the ongoing support of his wife, parents and friends that he eventually found the will to live again.
7. When people grow up, they will ________ different job.
8. All the important sentences in the article ________ in red lines.
9. I want to use the book that I lent you ________.
10. The men were soon very tired and were ________ food.