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【简答题】
高聚物的溶解过程与一般低分子量物质有何不同?比较线型高聚物与体型高聚物的溶解性能。
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【简答题】In the Caucasus region of the former Soviet Union, nearly 50 out of every 100,000 people live to celebrate their 100 th birthday, and many don ’ t stop at 100! By comparison, in America only 3 people ...
【单选题】III阅读理解（20分） A There are many different kinds of cars in the world． My uncle thinks this is because cars are like their drivers． He says: 'Rich people have expensive cars，big people have large cars，an...
A.
Big people drive small cars．
B.
Old people drive new cars．
C.
Poor people have expensive cars．
D.
Rich people have dear cars．
【单选题】Many old people don ’ t like traveling by air. They want to travel ______ train .
A.
in
B.
by
C.
through
【简答题】完型填空The car was invented about a hundred years ago. You may know all kinds of the cars? names, but many people don?t know__1__was the inventor of the first car. The first car was invented not by a Ger...
【简答题】板中一般布置有两种钢筋,即( )和( )。
【简答题】标签中的“src”属性,其值是一个“URL”,指定了该窗口的【2字】文档;
【简答题】标签 中的“src”属性,其值是一个“URL”,指定了该窗口的【2字】文档;
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