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【单选题】
非承重侧模板的拆除一般需混凝土抗压强度达到( )Mpa以上。
A.
1
B.
1.5
C.
2.5
D.
5
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【单选题】蛋白质多肽链形成α-螺旋时,主要靠哪种次级键维持
A.
肽键
B.
氢键
C.
二硫键
D.
离子键
E.
非共价键
【判断题】自动监控系统可委托具有环境污染治理设施运营资质证书的第三方运行和维护。
A.
正确
B.
错误
【单选题】蛋白质多肽链形成 α-螺旋时,主要靠哪种次级键维持
A.
氢键
B.
疏水键
C.
二硫键
D.
肽键
【单选题】蛋白质多肽链形成 α- 螺旋时,主要靠哪种次级键维持
A.
二硫键
B.
肽键
C.
疏水键
D.
氢键
【判断题】在申请恢复驾驶资格业务时或者恢复考试期间,申请人超过原准驾车型允许的准驾年龄或者身体条件发生变化的,车辆管理所应当终止办理恢复业务。
A.
正确
B.
错误
【单选题】Judy: "Do you think it's just been lost?" Tony: "No! I'm very careful!"
A.
Judy doesn't want to say who did the action (lose).
B.
Judy doesn't know who did the action (lose).
【单选题】According to the video, there are three reasons that we use the passive in English. Read the conversation below, and match the sentences with the most likely reason for using the passive: Tony: "Pleas...
A.
Tony doesn't want to say who did the action (steal).
B.
Tony doesn't know who did the action (steal).
【单选题】周期性交流量的波形因数等于( )。
A.
有效值/平均值;
B.
最大值/有效值;
C.
瞬时值/有效值;
D.
最大值/平均值。
【单选题】Tony: "I had it right here in my pocket! I last used it to check the time, about 10 minutes ago." Judy: "Wait, is that your phone? There on the ground over there?" Tony: "Oh, wow! That's it! It was dr...
A.
Tony doesn't know who did the action (drop).
B.
Tony doesn't want to say who did the action (drop).
【单选题】.旅游淡季,游客量比较少的情况下,工作人员始终做好迎客准备,在游客距离5米左右时,首先要关注对方;游客距离工作人员( )米左右时,工作人员对游客微笑;1米左右时向游客表达欢迎:您好欢迎光临。
A.
3
B.
4
C.
5
D.
6
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