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1. Apollo all was the name of ________．(　)

A. an American

B. a machine

C. a spaceship

D. an invention

2.“The Sea of Tranquility” here means ________．(　)

A. the moon　　　　　　　　　　    B. the earth

C. the sun　　　　　　　　　　    D. the World

3. The word “stepped” in the sentence “Armstrong first stepped on the moon” means

________．(　)

A. ran　　　　　　　　　　    B. stopped

C. flew　　　　　　　　　　    D. walked

4. It's ________kilometers from the earth to the moon．(　)

A. 385　　　　　　　　　　    B. 3850

C. 38500　　　　　　　　　　    D. 385000

5. July 20th,1969 was an important day, because________．(　)

A. Apollo all left the moon

B. it was the first time humans to land on the moon

C. Two Africans landed on the moon

D. it was the first time for humans to make a spaceship had landed on the sun

Rivers are one of our most important resources． Many of the world’s great cities are __1_ on rivers, and almost every country has __2__ one river flowing __3__it that plays an important part in the lives of _4__people．

    Since the beginning of history, people have used rivers __5__transportation．Some great _6___ are the Mississippi, the Nile, the Gongo etc．The _7_ of all for navigations(水路航行), however, is the Amazon in Brazil．It is so wide and so deep__8__ large ships and ocean liners can go about two thousand miles __9__it． Besides __10__, rivers __11__food, water to drink, water for crops, and opportunities(機會) __12_ fun．However, large cities and industries that are located upon rivers often make __13__, __14_the cities grow in __15__and the industries _16__ in number, the water in the rivers becomes ___17__with chemicals and other materials．People are __18__ the importance, however, of doing more to keep their rivers __19__if they want to __20__the benefits of this natural resource(供應的來源)

1．A．stood               B．located              C．lived                 D．arisen

2．A．at best              B．at last               C．at most              D．at least

3．A．through             B．cross               C．over                 D．under

4．A．their                B．it’s                 C．its                   D．theirs

5．A．with                 B．off                 C．of                   D．for

6．A．streams             B．seas                C．ocean                D．rivers

7．A．shortest             B．fastest              C．longest                D．smallest

8．A．and                B．that                 C．for                  D．where

9．A．upon               B．above               C．under                 D．below

10．A．voyage(航海)     B．making fun           C．touring                D．transportation

11．A．produce           B．explore(探索)        C．provide               D．plant

12．A．by              B．in                  C．for                  D．over

13．A．problems          B．questions            C．matters               D．affairs

14．A．If               B．As                 C．Until                  D．Unless

15．A．large              B．style                C．range                D．size

16．A．raise               B．produce            C．increase              D．expect

17．A．polluted            B．polluting            C．pollution              D．poison

18．A．seeking            B．learning             C．predicting            D．describing

19．A．dirty              B．clean               C．polluted               D．flowing

20．A．enjoy              B．refuse             C．like                  D．hate