牙槽嵴顶的少量吸收，X线表现为A．牙槽嵴顶高度降低 B．牙槽嵴顶密度减低 C．角形吸

将①分子  ②原子  ③质子  ④中子  ⑤电子等粒子用序号分别填入下列适当空格中：

（1）显示电中性的粒子是______；              （2）带正电的粒子是______；

（3）参加化学反应一定发生变化的粒子是______；  （4）原子中数目一定相等的粒子是______．

单词拼写。

1. Spring has come, and the trees are thick with green ______ (叶子).

2. Taiwan is ______ (分隔) from the mainland by the strait.

3. I consider it ______ (不可能) to believe a single word you say.

4. Not only can walking fish live out of water, but they can also travel short ______ (距离) Over land.

5. We were talking on the phone when, ______ (突然), the line went dead.

6. One of my favourite sayings is"Understand all and ______ (宽恕)all."

7. A man I ______ (认出) as his father sat with a newspaper on his knees.

8. Italy is a ______ (欧洲) country.

9. ______ (赢得) the support of the majority requires time,energy and devotion.

10. Xi'an International ______ (展览) Center has attracted many business people.

RAW图像使用（）的特殊形式进行记录。

A、RAW图像数据

B、拍摄时的图像处理条件

C、RAW图像数据+拍摄时的图像处理条件

D、RAW图像+JPEG格式

人是有感情的，情感对人类行为的影响十分重要，这体现的是( )对人类行为的影响。

A．生物因素
B．环境因素
C．社会因素
D．心理因素

防排水设施应（）。

A.沟底平整

B.排水畅通

C.无冲刷现象

D.无阻水现象

E.沟底不露水，但沟身可以露水