摘要: 各种各样的

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The world is   1   of variety(各种各样的事物).Trees, grasses and other   2   cover the earth. Above, the   3   shines on the earth as it turns in the universe. This is the world that we see   4   us every day.

This world is   5   the world of chemistry. In this world one form of matter is   6  

changing into another. We cannot always see it  7   with our eyes. Yet, it is taking place all the time. The millions of forms, on the earth, living or not, are made  8   about 100 chemical elements(元素).The same elements   9   everywhere. This may be a surprise to you, but it is true. It is true  10   of the earth   10   of the whole universe.

1.A.fill              B.filled             C.full               D.fulled

2.A.planes            B.planets            C.plants              D.peasants

3.A.stars            B.satellites            C.moon              D.sun

4.A.above           B.under              C.around            D.behind

5.A.also              B.too                C.either              D.neither

6.A.sometimes           B.never              C.anytime           D.always

7.A.happens          B.to happen          C.happening          D.happened

8.A.with             B.by               C.in               D.of

9.A.find              B.found              C.are found          D.are founded

10.A.not only; but also                    B.either;or

C.neither; nor                        D.so; hat

 

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