1 . 根据句子意义选择适合该句的短语，并用其正确形式填空，使句子意义通顺完整。其中有一个多余选项。

concentrate on     lead to       be in trouble       up to     take to       be known for in search of       work out     catch up on       show respect to       stay in touch with

1. There are so many convenient ways for you _________ your faraway friends.
2. It took me almost one hour_________this difficult mathematics problem.
3. Even today, my British father still does not easily   _________ eating things like chicken feet.
4. When the father figured out what his son was _________, he became so angry.
5. Too much work without any rest often _________diseases.
6. He is always ready to give a hand to the one who _________
7. Some animals migrate to the south _________warmer weather.
8. I look at those photos from time to time to remind myself to _________all animals.
9. Yellowstone National Park_________the variety of its wildlife.
10. After a day’s work, cooking together with my family gives us a chance to relax and_________each other’s days.

2 . The manager asked us all not to        this painful matter again.

A．refer to

B．turn to

C．adjust to

D．lead to

3 . Everyone in this organization knows that I ______ it — I joined it last month.

A．refer to

B．lead to

C．agree to

D．belong to

4 . People________ think that global warming will never get serious enough to affect their daily life, so they haven't paid special attention to environmental protection.

A．tend to

B．lead to

C．see to

D．turn to

5 . 人们对于黑脉金斑蝶的研究使得人们对这种生物有了更多的了解。
The research on the monarch’s behavior has ________ ________ a greater awareness of this creature.

6 . Each summer definitely seems hotter than the last. Experts say this bad weather has occurred________ climate change.

A．due to

B．leading to

C．lack of

D．regardless of