社会主义法治理念，是以社会主义（）现实状况为基础的，体现了依法治国内在本质和基本要求

a•a=2a______．（判断对错）

根据所给词的适当形式填空。

1. It is the home page of one of the ______ (survive).

2. What city is Mrs Johns leaving for ______ her daughter tomorrow? (see)

3. The two girls ______ (trap) in the burning building.

4. He looked ______ (sad) at the broken toy car.

5. Can you hear the loud noise ______ (follow) lightning?

6. I ______ on the ice when you called me. (skate)

7. At the beginning of the ______ (twenty) century, the world's population was 1.7 billion.

8. I hope you _______ (not forget) to lock the door next time.

9. Bad weather sometimes causes _______ disasters. (nature)

10. Nobody but Mary and her sister _______ (know) where he is from.

男，15岁，发热1周天，体温38℃～39℃，刺激性咳嗽明显，胸痛。查体：双肺散在干啰音，胸片：左肺下野淡薄片状阴影。

首选的药物治疗为（）

A.阿奇霉素

B.头孢菌素

C.链霉素

D.青霉素

E.无环鸟苷

高速公路LED信息标志技术中LED为（）的英文缩写。

A、发光单级管

B、发光二级管

C、发光三级管

诊断支原体引起的原发性非典型性肺炎的血清学试验中，临床上最常使用的是

A．补体结合试验

B．免疫荧光技术

C．冷凝集试验

D．间接血凝试验

E．生长抑制试验