关于Applet执行的操作，下面说法正确的是A．在运行时调用其他程序 B．可以进行文

（）是时间范围，呼叫强度，占用时长这三个因素综合作用的结果，在电话局内表现为设备的繁忙程度。

单词拼写。

1. His coming to our school made me ________. (吃惊)

2. My mother is always busy cooking in the k________ every day.

3. Please keep in ________ /sail?ns /! The baby is sleeping. 

4. Boys and girls should learn to do things by ________(自己). 

5. The old man had many strange ________ in his life /iks'pi?ri?ns/.

6. —What do you think of this book? —This book is the ________ of all the books. (糟糕的) 

7. My pen is lost, I can't find it a________.

8. He made the ________ to go to Hong Kong on vacation. (decide)

颈部后伸的正常活动度是（）。

A.0°～40°

B.0°～45°

C.0°～50°

D.0°～55°

E.0°～60°

在csh下把TERM变量设成sun-cmd，可以使用命令setenv TERM sun-cmd。

数控系统内印制电路板上的短路棒的设定内容有控制部分、速度单元和（）的印制电路板。

A.数控装置

B.直流电源

C.主轴控制单元

D.伺服系统