竞争法的基本原则有（）。 A.保护竞争主体平等竞争地位的原则 B.维护自由 C.公平

腰椎间盘突出最主要的体征是（）

A.棘突压痛

B.棘突间压痛

C.棘突旁压痛

D.直腿抬高试验阳性

E.直腿抬高试验和加强试验阳性

句型转换。

1. My father watches TV every night. (改为一般疑问句)

    _______ your father _______ TV every night?

2. He had to finish the work. (改为否定句)

    He _______ _______ to finish the work.

3. She wanted to see the doctor because her back hurt badly. (对划线部分提问)

    _______ _______ she want to see the doctor?

4. David was so careless that he didn't find the mistakes in his test paper. (改为同义句)

    David was _______ _______ to find the mistakes in his paper.

5. Yesterday our teacher asked us to clean the classroom.(改为被动语态)

    Yesterday _______ _______ asked to clean the classroom.

6. The car hit the big tree yesterday.(改为反意疑问句)

    The car hit the big tree yesterday, _______ _______?

7. Are there museums in the city? Could you tell me? (合并成含宾语从句的复合句)

    Could you tell me _______ there _______ museums in the city?

8. I borrowed a book from the library. It was newly published. (合并成含定语从句的复合句)

   The book _______ I borrowed from the library _______ newly published.

9. The computer is very useful. (改为感叹句)

     _______ _______ the computer is!

10. what, think, mind, question, don't, people, about, young, the, I (连词成句)

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诊断急性阑尾炎要与哪些疾病相鉴别？

以下选项中属于安全阀优点的是( )。

A．体积小、轻便、灵敏度高、安装位置不受严格限制
B．用于受压设备、容器和道路上， 当压力超过规定数值时，能自动排除介质的过剩压力，保证安全生产
C．阀瓣的灵活度很高，可用于紧急泄压作用
D．由阀杆传来的力是不变的

根据《中华人民共和国人民警察法》规定，下列说法正确的是（）。

A、人民警察可以接受当事人及其代理人的少量礼物

B、人民警察业余时间可以从事营利性的经营活动

C、人民警察不得非法剥夺、限制他人人身自由

D、人民警察可以受雇于非营利性社会团体