抗体致敏细胞花环试验中，花环形成细胞是指()A．受检细胞周围粘附3个或3个以上红细胞

妇女普查普治的重点对象

A．老年妇女

B．更年期妇女

C．已婚妇女

D．所有妇女

E．根据普查重点选择危险人群

1.Li Lei saved my life. I’m __________ to him. (grate)

2. The film isn’t interesting at all, so I feel _______.  (bore)

3.There’s nothing in this box. It’s ___________. (full)

4. It’s _______ ( danger ) for a young boy to climb the mountains.

5.Is he getting better now? No, he is even____________.(bad)

6. Different people have different ___________. （能力）

7.Jim __________ water over his English book yesterday evening.（泼、倒）

8.My parrot’s ___________ look so beautiful in the sun. (羽毛)

9.Do you like your trip? Is it ________ (令人愉快的)?

10.Can you tell me the _____________ of the hill?  (高度)

冷藏食品要恢复到新鲜状态应做到（）。

A.急速冻结，缓慢化冻

B.快速化冻

C.缓慢冻结

D.先快冻结30min，再缓慢冻结

E.缓慢冻结，缓慢化冻

电动轮减速时应采用何种制动？为什么不宜经常使用工作制动？

吊篮的每个吊点必须设置钢丝绳（）根。

A、1

B、2

C、3

D、4