5.The weather f　　　 says it will be sunny tomorrow.

4. The snow on the top of mountains will　 m　　　 away when the sun comes out.

3. As a c　　　 , you must obey the law of your country or you will be punished.

2. Susan c　　　 to me about the bad weather she had while travelling in London.

1. Dalian is a beautiful c　　　　 　city and I like it very much.

5. 解析:选D。标题归纳和主旨大意题。文章主要讲了美国多种文化并存的原因及优缺点，故最佳标题为D。

4. 解析:选D。推理判断题。从文章最后对多种文化并存优点的分析可推知，这种局面使生活在那里的异国人可以自由选择生活方式，使生活丰富多彩，故选D。

3. 解析:选B。细节理解题。从“In fact, what exists in America is more often a kind of ‘side-by-side’ living in which groups of people from other countries often have kept many of their customs and habits”可知，B项为正确答案。

2. 解析:选B。推理判断题。从“They join the general American society only in certain areas of their lives-such as in schools, business, and sports-but they keep many of their own native customs and manners socially and at home. This living ‘side-by-side’? has both advantages and disadvantages”可知，B项为正确答案。

20. 解析:选C。句意为：但是，那一次不仅是我最痛苦的经历，而且也(also)是最成功的教训。