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【单选题】
性能等级4.8级的螺栓,其含义是:螺栓材质公称抗拉强度达400MPa级螺栓材质的比值为0.8,螺栓材质的公称屈服强度达()MPa级。
A.
240
B.
320
C.
400
D.
800
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参考答案:
举一反三
【简答题】— ________ ? —I said, “Do you need any help?” —That’s very nice of you. I guess I could use some help. A.What seems to be the problem B.I beg your pardon C.Repeat D.And what
【简答题】《幼儿园教育指导纲要(试行)》中规定的幼儿园阶段的课程领域总目标
【单选题】下列不属于抑郁症常见表现的是()
A.
心境低落
B.
兴趣减退
C.
睡眠障碍
D.
幻觉妄想
【简答题】I did very badly at school. My head thought I was 21 and when I was 14 he said, “You’re never going to be 22 but a failure.” After five years of 23 jobs, I fell in love with a very nice middle-c...
【单选题】《幼儿园教育指导纲要(试行)》中明确规定,幼儿园教育评价工作的参与者不包括( )。
A.
幼儿教师
B.
社区行政人员
C.
幼儿
D.
幼儿家长
【单选题】抑郁症的睡眠障碍常表现为
A.
多梦
B.
入睡困难
C.
早醒
D.
睡眠倒错
E.
睡眠依赖
【简答题】简述《幼儿园教育指导纲要(试行)》中规定的幼儿园科学教育的总目标。
【单选题】下面哪种市场买方掌握的信息比卖方要多?
A.
服装市场
B.
餐饮市场
C.
水果市场
D.
保险市场
【单选题】Jack is a very stubborn(顽固的) person. I was unable to _____ him to do as I said. I want to as
A.
250. Jack is a very stubborn(顽固的) person. I was unable to _____ him to do as I said. I want to ask you to have a word with him. A.let
B.
make
C.
prevent
D.
Persuade
【多选题】直流锅炉是在给水泵的推动下,一次经过()而成为过热蒸汽。
A.
加热
B.
蒸发
C.
清洗
D.
过热
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