食结构。

2．All the following can help you to keep healthy EXCEPT .

A．attending exercise classes

B．walking often

C．joining fitness clubs

D．lying at home

答案　D

解析　细节理解题。文章第二段介绍了保持健康的若干有效方式，其中包括参加健身俱乐部、训练班和坚持锻炼等。只有D项的意思和文意不符。

3．The second paragraph mainly tells us that .

A．healthy diet can keep you healthy all the time

B．aerobics is a good way to keep you healthy

C．exercise is important to keep you healthy

D．there are all kinds of sport activities

答案　C

解析　主旨大意题。根据第二段可知，不管是参加训练班，还是参加健康俱乐部都要求加强锻炼，这样才能保持健康，由此可知该段的主旨大意。

4．In order to have a healthy life you should .

A．get support from your family

B．make a good plan for you

C．try to support your family

D．make your family change their diet

答案　A

解析　细节理解题。根据最后一段中的"Since you will be changing your diet and adding a fitness plan，you will need their support."可知，要过上健康的生活，需要取得家人的支持。

The crops we produce in the UK and around the world could change with climate.The weather is an important part in farming and changes in temperature will strongly affect crop growth.

For the UK，temperature rises are likely to mean the crops normally growing in the south of the country will be able to be grown further north.The UN believes there will be a shift northwards of