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全真呈现历年考试试题
1、[单选题]______ makes the piston to move up an down in the engine cylinder.
2、[单选题]Pistons for modern engines are made of _______.
3、[阅读理解]【单词填空题】He was drinking a glass of wine ______ with water.
4、[阅读理解]【单词填空题】The mist quickly ______ as the sun rose.
5、[阅读理解]【单词填空题】The water soon ______ in the sunshine.
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