某男，65岁，4年前全口义齿修复，最近下颌义齿在说话和吃饭时，

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问题单项选择题 A3型题

某男，65岁，4年前全口义齿修复，最近下颌义齿在说话和吃饭时，经常脱落，要求修理。

试分析下半口义齿脱落的主要原因（）

A.基托过长

B.基托伸展范围不够

C.侧牙合运动，有牙尖干扰

D.面下1/3距离过低

E.牙槽嵴吸收，基托与牙槽嵴不密合

答案

参考答案：E

填空题

根据句意，用括号中所给单词的正确形式填空。

1. —How old is your son? —He's _______ (nine) years old.

2. It's __________(harm) to your eyes to watch cartoons for hours. Go to have a rest.

3. Your pocket is much bigger than the _________(woman).

4. Don't worry. Peter is a good driver. He always drives_______ (careful) enough

5. We all like the wine because it is ______(make) from grapes.

6. Hard work can bring you _______(success).

7. —Who teaches ______(they) English? —Nobody. They teach themselves.

8. He saw the doctors _______(operate) on his daughter when he came into the room.

单项选择题

以下（）不属于应单独组卷的子分部工程。

A、钢结构工程

B、劲钢（管）混凝土工程

C、幕墙工程

D、有支护土方工程