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【多选题】
以下内容中，属于班组级安全教育的内容是()A.
本工种涉及的机械设备、电气设施及施工机具的正确使用和安全防护要求
B.
建筑施工人员安全生产方面的权利和义务
C.
劳动防护用品佩戴、使用的基本知识
D.
本班组劳动纪律和安全生产、文明施工要求
E.
本班组作业环境、作业特点和危险源
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【单选题】听力原文:M: I really can’t stand the way David controls the conversation all the time. If he’s going to be at your Christmas party, I just won’t come. W: I’m sorry you feel that way, but my mother insists...
A.
She will ask David to talk less.
B.
She will meet the man halfway.
C.
She is sorry the man will not come.
D.
She has to invite David to the party.
【单选题】A I'm Joe． I-m twelve years old． I like September very much． September 9th is my birthday， and my father's birthday is in September，too．We have a birthday party ev-ery year． Teachers Day is in Septemb...
A.
twelve
B.
twelfth
C.
ninth
D.
nine
【简答题】Lost September 21,2009 On the afternoon of September 19.I left my Oxfbrd Advanced Learner's English Chinese Dictionary in the reading room.Will the finder please send it to me in Room 625 of Teaching ...
【单选题】在临床工作期间,你分管的床位上接诊了一位缺血性脑卒中的患者,需静脉滴注爱通立以溶解血栓。查询文献得知,该药物是一种通过基因工程生产的蛋白类药物,学名是组织纤溶酶原激活因子(t-PA)。这一蛋白有5个结构域,其中一个结构域具有丝氨酸蛋白酶活性。请问,以下有关结构域的描述哪一个是错误的?
A.
是蛋白质的局部结构
B.
属于一种特殊的三级结构
C.
局部肽段独立折叠而成
D.
往往具有特定的生物学活性
E.
脱离整体后就会丧失其活性
【单选题】—It is so noisy here that I can’t hear _____ just now. Could you please say it again? —No problem.
A.
what you say
B.
what do you say
C.
what you said
D.
what did you say
【单选题】M:I can’t believe it! This morning,my laptop stopped working.I’m going to have to buy a new one. W:Why?Can’t you just get it repaired? M:It costs too much to fix it.I’d better buy a new one. Why is th...
A.
The old one is too slow
B.
It is too expensive to repair the old one.
C.
The old one can’t be repaired
D.
The new computer’s price is much lower
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