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【单选题】
根据《钢结构施工规范GB50755-2012》的规定,牌号为Q235、Q345且板厚小于40mm的钢材,按同一生产厂家、同一牌号、同一质量等级的钢材组成检验批,每批重量不大于()吨。
A.
100
B.
150
C.
200
D.
250
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皮皮学刷刷变学霸
举一反三
【单选题】Part B Directions: You will hear four dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each ques...
A.
an advertisement.
B.
a sales clerk's comment.
C.
a druggist' s suggestion.
D.
an article.
【简答题】分配关系是生产关系的基础。 ( )
【单选题】已知BCl 3 是平面三角形分子,则中心原子B所采取的杂化类型为(    )
A.
sp
B.
sp3
C.
sp2
D.
不等性sp3
【单选题】Part B Directions: You will hear four dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each ques...
A.
To improve his skating techniques.
B.
To visit his sister.
C.
To take a vacation.
D.
To learn to ski.
【简答题】分配关系是生产关系的基础。( )
【简答题】非谓语动词 5-6 一、单选题(共 50 题;共 100 分) 1.Nowadays, Young people send messages to their parents instead of ______ them. A. Write to B. writing C. writing to D. writes 2.We should urge people _______ riding in...
【单选题】甲状腺素作用机制()
A.
产生β射线,破坏甲状腺实质
B.
抑制蛋白水解酶而抑制甲状腺素释放
C.
维持生长发育,促进机体代谢和产热
D.
阻碍T3,T4与其受体结合
E.
阻碍过氧化物酶,抑制甲状腺素的合成
【单选题】术前服用碘剂的作用是
A.
抑制甲状腺素合成
B.
对抗甲状腺索作用
C.
促进甲状腺素合成
D.
抑制甲状腺素释放
E.
减少促甲状腺激素分泌
【简答题】分配关系是生产关系的基础。( )
【简答题】Listen to the conversation and fill in the blanks. A: Hey, what's wrong? You look really stressed! B: I have an important ___1___ tomorrow. I've been studying for it all week, but I feel like I don'...
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