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问题 多项选择题

砂石地基质量验收时，其主控项目为（）

A.地基承载力

B.配合比

C.压实系数

D.分层厚度

答案

参考答案：A, B, C

填空题
从方框内选出正确的单词完成句子。
boring　relaxing　difficult　fun　interesting
1. John sits on the chair. It's very _____.
2. Sun can play volleyball. She thinks it's very _____.
3. I don't like maths. It's _____.
4. That book is very _____. I like it very much.
5. I can't play computer games. It's very _____.
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单项选择题

在经济不发达地区最常见的营养性疾病是（）

A.缺铁性贫血

B.肥胖

C.糖尿病

D.高脂血症

E.痛风
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