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【单选题】
在泥浆护壁成灌注桩施工中,下列不属于护筒作用的是( )。A.
固定桩
B.
提高内水压力
C.
钻头导向作用
D.
支承重物
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举一反三
【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
【单选题】听力原文：W: I really can’t stand the way David controls the conversation all the time. If he is going to be at the party, I just won’t come. M: I am sorry you felt that way. But my mother insists that he ...
A.
To make the woman angry.
B.
To please the man's mother.
C.
David is the man's good friend.
D.
David is good at carrying on conversation.
【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
【简答题】()是指由一系列公司和个人组成的靠创造和销售音乐赚钱的体系。
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