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【单选题】
在钢筋混凝土结构中,受力钢筋的弯起作用是:( )A.
形成钢筋骨架
B.
使受力钢筋始终处于构件中拉应力最大的区域
C.
承受剪力
D.
分配荷载到其它钢筋
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反馈参考答案：
举一反三
【单选题】下列哪项不属于医院内感染的主要因素
A.
医院内病原体来源广泛，环境污染严重
B.
易感人群增多
C.
有效控制大量新型抗生素的开发和使用
D.
各种侵入性诊疗手段增多
E.
医务人员对医院内感染的严重性认识不足
【单选题】弹性体和塑性体改性沥青防水卷材的抽样数量规定:在每批产品中随机抽取( )卷进行单位面积质量、面积、厚度与外观质量检查。在上述检查合格的卷材中随机抽取( )卷进行材料性能试验。
A.
5、2
B.
3、1
C.
5、1
D.
3、2
【单选题】I didn’t know his telephone number. ______ it, then I ______.
A.
Had I known; would ring him up
B.
Should I know; would have rung him up
C.
If I knew; would ring him up
D.
Had I known; would have rung him up
【单选题】We didn’t know his telephone number, otherwise we ________ him.
A.
would have telephoned
B.
must have telephoned
C.
would telephone
D.
had telephoned
【单选题】弹性体和塑性体改性沥青防水卷材的抽样组批规定为:同一类型、同一规格卷材( )m2为一批,不足上述数量亦可作为一批。
A.
2000
B.
5000
C.
1000
D.
10000
【单选题】I didn't know his telephone number. ____ it , I ____ then
A.
Had I known ， would ring him up
B.
Should I know ， would have rung him up
C.
If I knew ； would ring him up
D.
Had I known ； would have rung him up
【单选题】如果导游人员错接了本旅行社另一位导游人员应接的旅游团,经旅行社领导同意后,不再交换旅游团,但必须( )。
A.
向游客做出说明
B.
与另一导游人员交换接待计划
C.
向游客诚挚道歉
D.
与另一导游人员相互介绍游客情况
【单选题】---Who called just now? ---I don’t know because I didn’t______ his voice.
A.
listen
B.
recognize
C.
get to know
D.
realize
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