防插
参考答案:
锁心头部加工有台阶,以防止用薄钢片或其它异物插入锁心和锁头间隙中,将上下弹子隔开。
一位献血者第一次来到某献血车去献血,但是他告诉医生他昨晚喝酒了,并且喝醉了,但是今天他坚持要献血。
作为医生应该()。
A.为不打击其积极性,愿意献就让他献
B.血红蛋白合格就可以献
C.坚决阻止
D.耐心为他讲解不让他献血的原因
E.只要酒醒,就可以让献
用所给单词的正确形式填空。
1. Nancy's mother likes ____________ (cook) very much , but she hates __________ (do) housework.
2. I think you should ____________ (get) a part-time job.
3. —I am not popular at school. What should I do?
—Maybe you could be ________ (friend).
4. Could you please give me some ___________ (advice)?
5. —How is the weather? —It's ___________(shower).
6. Why do you want __________ (be) a weather woman?
7. I want to get more __________ (inform) about our summer camp.
8. We will have__________(few) families with healthier kids.
9. I want to ask you a ___________ (person) question.
10. What an__________(interest) answer I've got!