以下各种性状中，属于相对性状的是（ ） A．豌豆的高茎和矮茎 B．豌豆种子的绿色

The crowd is too noisy, but anyway I have to make myself ______ to them because the news is so important to them.

A．known 　　　　

B．understood 　

C．heard 　

D．known

动词填空。

1. Why not ________ (put) the shoes under the bed?

2. He can't ________ (take) the newspaper home.

3. Lily would like ________ (read) the comic book in the reading room.

4. Millie wants her mother ________ (get) her some chocolate.

5. This pair of blue jeans _________ (look) beautiful.

6. Everyone ________ (have) a locker at school.

7. When ________ he sometimes ________ (get) up?

8. Kitty is good at ________ (swim)

9. Daniel enjoys ________ (watch) TV.

10. _______ you _______ (wash) clothes at the weekend?

男，61岁。冠心病心肌病伴左心衰竭入院，应用洋地黄二周后出现频发多源性室性早搏。

为明确诊断，最有价值的检查手段是（）

A.超声心动图

B.心电图

C.动态心电图

D.心肌核素显像

E.冠状动脉造影

若用8位机器码表示十进制整数—127，则其原码表示为（1），补码表示为（2）。

2（）

A．10000001

B．11111111

C．10111110

D．11111110

根据所给的汉语内容，用英语完成下列句子。（每空只写一词）

小题1:我儿子发现讲故事很有趣。

My son ________  telling stories very________.

小题2:我们了解了很多有关不同国家的饮食习惯。

We have learnt a lot about the ______________________ in different countries.

小题3:安全第一， 请不要在马路上玩耍。

________ ________. Please don’t play in the street.

小题4:人们会用泵把脏水抽到污水处理厂。

People will_________ the dirty water ____________ the sewage plant.

小题5:刚才警铃响了。

The bell ________ ________ just now.