题目内容
2. There're a large variety of (商品) in the shop.
2. goods
1. How many (spacecraft) does the US have?
() 1. There will be less pollution more people use public transportation.
A. but B. though C. unless D. if
2. He saved my life at the (风险) of his own.
() 4. — When will the railway that connects the two cities open?
—next year. Only twothirds been built.
A. Until;has B. Until;have C. Not until;has D. Not until;have
2. So far,many (spacecraft) have travelled in space.
() 4. Don’t ask him to study too late into night., he is only a child.
A. As a result B. After all C. On earth D. For example
1. The helicopter (盘旋;转圈) the airport before landing.
() 3. Food on Mars will not be as as it is on the Earth.
A. tasty B. taste C. tastier D. tastes
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