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【单选题】
关于拆模时混凝土强度应符合的规定，下列说法错误的是（　　）。
A.
梁、板等水平结构构件的底模，拆除
B.
已拆除模板及其支架的混凝土结构，混凝土强度达到设计的混凝土强度标准值后，才允许承受全部设计的使用荷载
C.
不承重的侧模板只要混凝土强度能保证其表面及棱角不因拆除模板而受损坏，即可拆除
D.
在拆模过程中，如发现实际结构混凝土强度并未达到要求，有影响结构安全的质量问题，应暂停拆模
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参考答案：
举一反三
【简答题】Learn the words and expressions and then complete the dialogue. 学习这些词语,然后用其正确形式填空。 basic rule基本规则 help that’s the case这样的话 voluntary志愿的 A: Hi, I’m Kevin. I wonder if I can do any 1)______...
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【多选题】掉牙的主题表示()。
A.
表示“丢了脸”
B.
意味着“骨肉分离”
C.
可能是牙真的有些轻微松动。
D.
衰老的悲哀或成长的喜悦
查看完整题目与答案
【单选题】Alisha began the introduction of her speech by saying: Have you ever been knocked down so hard by life that you didn’t feel you’d ever get back up? This has happened to me many times, the first being ...
A.
Expert testimony.
B.
Brief example.
C.
Metaphor.
D.
Hypothetical example.
E.
Simile.
查看完整题目与答案
【单选题】Alisha began the introduction of her speech by saying: Have you ever been knocked down so hard by life that you didn’t feel you’d ever get back up? This has happened to me many times, the first being ...
A.
expert testimony
B.
brief example
C.
metaphor
D.
hypothetical example
E.
simile
查看完整题目与答案
【单选题】关于生物固氮的历史,下列正确的是。
A.
德国人H.黑里格尔和H.维尔法特证实了不只有结瘤的豆类才能利用空气中的分子态氮
B.
荷兰人M.W.拜耶林克从根茎中分离出根瘤菌的纯培养
C.
由于研究手段的限制,证实了大多数微生物的固氮能力
D.
由于同位素标记技术(13N、15N)和乙炔还原法的应用,证实了许多原核生物都能固氮,但至今还没有发现肯定能够固氮的真核生物
查看完整题目与答案
【判断题】SO2和NOx采样时都要避免日光直接照射。
A.
正确
B.
错误
查看完整题目与答案
【判断题】SO2和NOx采样时都要避免日光直接照射。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Blank Filling: M: English Language Center. May I help you? W: Yes. I'm calling to _______________more information about your ______________. For example, what kind of courses do you _________ ? M: Fir...
查看完整题目与答案
【多选题】室外台阶与坡道的平面布置形式有( )
A.
坡道式
B.
单面踏步式
C.
坡道结合式
D.
踏步
查看完整题目与答案
【单选题】听力原文：W: English Language Center. May I help you? M: I'm calling to find out more information about your program. For example, what kind of courses do you offer? W: Well, first of all, the purpose of o...
A.
To help international students prepare to enter institutions of higher learning.
B.
To provide work opportunities for graduating students in the community.
C.
To teach students how to use English in their daily lives and at work.
D.
To provide from basic communication courses to content-based classes.
查看完整题目与答案
相关题目：
【简答题】Learn the words and expressions and then complete the dialogue. 学习这些词语,然后用其正确形式填空。 basic rule基本规则 help that’s the case这样的话 voluntary志愿的 A: Hi, I’m Kevin. I wonder if I can do any 1)______...
查看完整题目与答案
【多选题】掉牙的主题表示()。
A.
表示“丢了脸”
B.
意味着“骨肉分离”
C.
可能是牙真的有些轻微松动。
D.
衰老的悲哀或成长的喜悦
查看完整题目与答案
【单选题】Alisha began the introduction of her speech by saying: Have you ever been knocked down so hard by life that you didn’t feel you’d ever get back up? This has happened to me many times, the first being ...
A.
Expert testimony.
B.
Brief example.
C.
Metaphor.
D.
Hypothetical example.
E.
Simile.
查看完整题目与答案
【单选题】Alisha began the introduction of her speech by saying: Have you ever been knocked down so hard by life that you didn’t feel you’d ever get back up? This has happened to me many times, the first being ...
A.
expert testimony
B.
brief example
C.
metaphor
D.
hypothetical example
E.
simile
查看完整题目与答案
【单选题】关于生物固氮的历史,下列正确的是。
A.
德国人H.黑里格尔和H.维尔法特证实了不只有结瘤的豆类才能利用空气中的分子态氮
B.
荷兰人M.W.拜耶林克从根茎中分离出根瘤菌的纯培养
C.
由于研究手段的限制,证实了大多数微生物的固氮能力
D.
由于同位素标记技术(13N、15N)和乙炔还原法的应用,证实了许多原核生物都能固氮,但至今还没有发现肯定能够固氮的真核生物
查看完整题目与答案
【判断题】SO2和NOx采样时都要避免日光直接照射。
A.
正确
B.
错误
查看完整题目与答案
【判断题】SO2和NOx采样时都要避免日光直接照射。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Blank Filling: M: English Language Center. May I help you? W: Yes. I'm calling to _______________more information about your ______________. For example, what kind of courses do you _________ ? M: Fir...
查看完整题目与答案
【多选题】室外台阶与坡道的平面布置形式有( )
A.
坡道式
B.
单面踏步式
C.
坡道结合式
D.
踏步
查看完整题目与答案
【单选题】听力原文：W: English Language Center. May I help you? M: I'm calling to find out more information about your program. For example, what kind of courses do you offer? W: Well, first of all, the purpose of o...
A.
To help international students prepare to enter institutions of higher learning.
B.
To provide work opportunities for graduating students in the community.
C.
To teach students how to use English in their daily lives and at work.
D.
To provide from basic communication courses to content-based classes.
查看完整题目与答案
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