以下哪一组疾病，都应以第一级预防为重点（）A．地方病、传染_爱下问搜题

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问题单项选择题

以下哪一组疾病，都应以第一级预防为重点（）

A．地方病、传染病、职业病

B．职业病、心脑血管疾病、传染病

C．食物中毒、肿瘤、公害病

D．地方病、肿瘤、职业病

E．公害病、心脑血管疾病、传染病

答案

参考答案：A

填空题

用方框中所给词或词组的正确形式填空。

wait for, raise…for…, be made of, share…with…,
pay for, have breakfast, nine, at least

1. I hear that famous singer lives on the __________ floor.
2. I'm sorry I can't ___________ this book now because I have lost my wallet.
3. She ___________ a bedroom ___________ her sister. They live in the same room.
4. There are ___________ three thousand students in our school.
5. —Where is Millie? —She ____________ her father at the school gate.
6. — __________ your socks ___________ cotton? —Yes, they are.
7. They're talking about ___________ money ___________ the people in Wenchuan.
8. He always gets up late. So he often goes to school without _____________.

判断题

桥墩主要由墩帽、墩身组成。