患儿6岁，下颌乳中切牙Ⅱ度松动，舌侧有恒中切牙萌出三分之一，

搜题请搜索小程序“爱下问搜题”

问题单项选择题 A1/A2型题

患儿6岁，下颌乳中切牙Ⅱ度松动，舌侧有恒中切牙萌出三分之一，应该诊断为（）。

A.下颌恒中切牙移位

B.下前牙拥挤

C.下颌恒中切牙早萌

D.下颌乳中切牙滞留

E.以上都不是

答案

参考答案：D

填空题

用所给单词的适当形式填空。

1. You are too tired. Why not ______ (lie) down and listen to some music?

2. You'd better take part in some ______ (organize) activities.

3. He likes to eat potatoes and ______ (tomato).

4. As we know, the l6th ______ (Asia) Games will be held in Guangzhou in 2010.

5. Now I'd like to know your ______ (predict) about the future.

6. My parents don't allow me ______ (come) home late at night.

7. I think Tom should tell his friend Jack not ______ (be) late for class again.

8. The kids need time and ______ (free) to play.

9. You aren't ______ (allow) to take the book out of the library.

10. The comedy made us ______ (laugh)

单项选择题

下列各项中，可以反映企业偿债能力的指标是（）。

A.投资利润率

B.速动比率

C.净现值率

D.内部收益率