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问题 单项选择题

与普萘洛尔相对，选择性β受体拮抗剂具有以下优点（）

A.对支气管的收缩作用较弱

B.对血糖影响小

C.对血管平滑肌的收缩作用较弱

D.对血脂影响小

E.以上均有

答案

参考答案：E

阅读理解

Do you know there are two kinds of football games? One is American football (橄榄球), and the other is soccer（足球）.In China many young men like playing soccer. It is very popular. But the Chinese don’t call it soccer. They call it football. There are eleven players in each team. And the ball is round. Only the goalkeeper(守门员) can touch the ball with his hands. The other players can’t touch the ball with their hands.

In America, soccer is not very popular. They like playing American football. It is very different. The ball is not round. It is like a big egg. There are also eleven players in each team. All the players can touch the ball with both feet and hands.

小题1:Do the Chinese like playing soccer?

A．Yes, they do.

B．No, they don’t

C．Yes, I do.

D．No, I don’t.小题2:How many players are there in a soccer team?

A．Eight.

B．Twenty-two

C．Eleven

D．Twenty.小题3: What do the American people like very much?

A．Touching the ball with hands.

B．Playing soccer.

C．Watching TV.

D．Playing American football.
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多项选择题

沥青混合料抽提试验的目的是检查沥青混合料的______。

A．沥青用量

B．矿料级配

C．沥青的标号

D．矿料与沥青的黏附性
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