3. 我们必须学会把这些问题转化成挑战。

We must learn to _______________these problems_____________challenges.

2. 随着时间的流逝， 美好的友谊就失去了。

　Time___________________, good friendships may be _______

1. 他学习很不认真，所以每次考试都以失败告终。

　 He studies carelessly, so he 　　　　　　　　　　　to pass the exam.

5. In this passage (短文), we can see that time is very impor­tant to______.

A. people in the USA　　 　　B. people in South America

C. everybody in the world

4. If you have an appointment with someone in South America, he may not arrive on time, and this is because______.

A. he doesn't have a watch　　　　 B. he forgets to have a watch with him

C. he doesn’t think it is necessary (必要的)to arrive on time

3. The underlined word "rush" most probably means　　　 　.　

A. jump　　　　　　　 B. hurry　　　　　　　 . C. run

2. Americans don't want to be late because______.

A. they go to stations, factories or other buildings

B. they do certain things at certain time　　　　　 C. they are free

1. You can see clocks in stations, factories and other buildings in the USA because

A. Americans want to make these places beautiful　 B. Americans want to sell these clocks

C. Americans think that it is important to know the time

11.(　 ) A. a　 　　B. an　 　　　　　C. / 　　　　　D.