问题
单项选择题
下列变量中，( )属于典型的外生变量。
A．利率
B．税率
C．汇率
D．价格
答案
参考答案：B
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下列变量中，( )属于典型的外生变量。
A．利率
B．税率
C．汇率
D．价格
参考答案：B
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| Summer is a good season for vacations. It is often very hot 1 the months of July and August. Students do not go to school during these two months. Most American families like 2 during their summer vacation. Many families take their lunch to a park or 3 far from the city. They like to eat where there are many trees or a nice lake. 4 they live near the sea, they often go to the beach. But for the others they don't like to 5 one or two weeks at one of the big seaside towns. Why do people like going to the beach? I think it is the sand, the sea and the sun. Of course，there are lots of new things to see,nice things 6 and exciting(令人兴奋的) things to do , but it is the feeling of sand under one's feet , of salty water one's skin, and of the warm sun on one's back that makes the seaside what it is. Many 7 like to meet people from other countries like Mexico(墨西哥)or Canada. Some people have 8 time and money to travel to other countries like France Japan. They usually 9 to these countries on planes. The United States is a very 10 country. Lots of families travel by car or by train to see 11 places in their own country. People 12New York，Chicago，San Francisco and Los Angeles. These big cities have many famous buildings , theatres, stores and other 13 of interest for tourists(游客). Certainly not everyone likes to go to busy cities. Some families travel to the mountains or to beautiful countries. They usually 14 a camera and video(录像机), and return with a lot of nice pictures and tapes of the places they visit.Then they would share(分享)them 15 their friends. | |||
| ( )1. A. during ( )2. A. traveling ( )3. A. everywhere ( )4. A. But ( )5. A. pay ( )6. A. to eat ( )7. A. Americas ( )8. A. no ( )9. A. drive ( )10. A. large ( )11. A. interested ( )12. A. traveling ( )13、A. places ( )14. A. get ( )15. A. at | B. in B. to travel B. nowhere B. Whether B. cost B. to do B. Americans B. much B. go B. small B. interesting B. travel B. planes B. bring B. with | C. between C. travel C. somewhere C. When C. take C. to see C. American C. little C. fly C. big C. boring C. visiting C. space C. take C. to | D. for D. travellers D. anywhere D. If D. spend D. to make D. America D. enough D. travel D. old D. bored D. visited D. room D. carry D. for |