PLC的输出类型有（）等输出形式。A、继电器输出 B、双向晶闸管输出 C、晶体管输出

根据句意及汉语提示写单词,完成句子。

1. My _____(生日)is June sixth.  

2. Most(大多数)kids thinks documentaries are very_____(无聊的).

3. Wu Li wants to have a _____(聚会)at school.  

4. Is _____(九月)tenth Teachers' Day(教师节)?  

5. December is the _____(第十二)month of the year.  

6. The yellow _____(毛衣)is thirty dollars.  

7. They have some shoes at a very good _____(价格). 

8. You can _____(买)shorts for only ten dollars each.  

9. The hat is too _____(小的).  

10. They eat _____(健康的)food every day.

At the evening party the host said ______ was able to solve the riddle could get a nice present as a reward.

A．whomever

B．who

C．no matter who

D．whoever

网膜下腔出血的最常见病因是（）

A.风湿性心瓣膜病

B.动脉粥样硬化

C.先天性颅内动脉瘤

D.糖尿病

E.高血压动脉硬化

关于脊髓亚急性联合变性出现双下肢瘫，错误的是（）

A.肌张力增高

B.腱反射亢进

C.行走不稳

D.步态蹒跚

E.病理反射通常阴性

备用电源自动投入的一次接线方案型式多样，按照备用方式可以分为（）和（）。

A、明备用

B、冷备用

C、暗备用

D、热备用