5.我们的国家正变得越来越强大。

______________________________________________.

4. 几年后，山上将绿树成荫。

The mountains __________________________trees in a few years’ time.

3. 她在中国所见到的情景使她感到惊异。

She __________________________ she saw in China.

2. 所有的学生都在忙于准备数学测验。

　All the students are ________________________ for the math test.

1.不管这件事有多难，我们都将不会放弃。

_________________difficult it is，we'll never_______________.

The bicycle is one of the simplest yet most useful inventions in the world . What is the most surprising is that it was not 　1　 　earlier, although the great inventor Leonardo Da Vinci had drawn pictures for bicycles and also for flying machines and some other things .Those things were not produced 　2　 　long after he died .

A person riding a bicycle uses _ 3　 　energy(能源)to make the bicycle move ,and there is no pollution at all when you are riding .Even so, in developed 　　4　 　　, most people don’t travel to work by bicycle. It is not because the bicycles are expensive or people feel 　5 _ if they ride to work ,It’s because _ 6　 　cars on the roads becomes larger. It certainly becomes 　7　 　to ride a bicycle .As a result, more and more people put their bicycles away and go to work 　8　 　their cars and ,in this way, the situation (情形) is made more serious .　 9　 　the best way to make riding safer and more popular is to create paths (开设通道)only for bicycles ,and to make 　10　 　so difficult and expensive for drivers to take their cars into the city that they will go back to using their bicycles.

(　 ) 1. A. invent　　 B. inventing　　　 C. invented　　　 D. to invent

(　 ) 2. A. before　　 B.when　　　　 C.since　　　　　 D.until

(　 ) 3. A.much　　　 B.quite a lot of　 C.very little　　　 D.many

(　 ) 4.A.world　　tries　　　 C.land　　　　　　　 D.earth

(　 ) 5.A.lucky　　 　　B.glad　　　　 C.sorry　　　　　 D.tired

(　 ) 6. A.the number of　　 　　　　　B.a number of　 　

　　 C.this kind of　　 　　　　　　　　　　　D.all kind of

(　 ) 7.A.safer　　 B.more dangerous　　 C.much dangerous　　 D. safe

(　 ) 8. A.by　　　　 B.in　　　　　　　 C.use　　　　　　 D.drive

(　 ) 9. A.Hardly　　 B. May be　　　　　 C. Perhaps　　　　 D.Nearly

(　 ) 10. A.it　　　　 B.them　　　 C. us　　　　　 D.that

15. If country A is experiencing summer, what is the season in country B? _____.

　　　　　　　　　　　　　　　　　　　　　 Earth

Sunlight　

　 A .Spring　　　 B . Summer　　 C. Autumn　　　　 D. Winter