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5. 燒煤對空氣污染十分嚴重，北京已經(jīng)限制煤的使用。

Burning coal pollutes the air a lot. Beijing has limited ___________  ________  ________

4. 我們的生活條件一年比一年強。

Our ________  _______        are getting better each year.

3. 我已經(jīng)有兩年沒見到Tom了，我十分想念他。

It      two years      I met Tom last time. I miss him very much,

2. 那個小女孩迷路了，更糟糕的是，她忘了父母的電話號碼。

The little girl lost her way.           ，she forgot her parents' telephone

number.

1. 老師告訴我們火星的直徑是地球直徑的53% 。

Our teacher told us the diameter of Mars is 53%__________________________    that of

the earth.

(   ) 5. ―The work should be finished in five days.

      —I know， but we need      people to help us.

A.   three another

B.   another three

C.   more three

D.   another more

(   ) 4. ―How heavy are you?

     —I________ 80 kilos. It influences my health a little.

A. have    B. had

C. weigh    D. weight

(   ) 3. 一Can you tell me something about Mars?

      ―Sure. Mars goes around the sun. It's        smaller than the earth in

diameter.

A. much    B. many

C. a few    D. little

(   ) 2. ―How can you       that they are from the south?

      —By their accent.
A. say    B. tell

C. speak    D. talk

(   ) 1. 一Look！   Many people are planting trees on the hill.

    一Yes. I think the hill      trees in two years.

A.   will be filled with

B.   is filled with

C.   will be covered with

D.   is covered with