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【单选题】
当相互配合的、轴的精度要求较,不宜采用 ___________. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
间隙配合
B.
过渡配合
C.
过盈配合
D.
无法确定
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参考答案:
举一反三
【单选题】“If he does not let me use his bike, I won’t let him use my computer. ” Rewrite the sentence using the word “unless”.
A.
unless he does not let me use his bike, I won’t let him use my computer.
B.
unless he let me use his bike, I won’t let him use my computer.
C.
If he does not let me use his bike, unless I won’t let him use my computer.
D.
If he does not let me use his bike, unless I let him use my computer.
【单选题】What does the man mean?
A.
He allows the woman to close the door.
B.
He doesn't let the woman close the door.
C.
He feels rather cold too.
【单选题】What does the professor mean when he says this?
A.
Let's review the material we just covered.
B.
Let's slow down because we're going again in a while.
C.
Let's take a break and start the class again in a while.
D.
Let's move on to the next topic.
【判断题】假象不是事物本质的表现
A.
正确
B.
错误
【多选题】某国2006年贸易规模为:出口380亿美元,进口312亿美元,这一年该国的贸易状况为( )。
A.
贸易顺差68亿美元
B.
净出口68亿美元
C.
入超68亿美元
D.
净进口68亿美元
E.
贸易总额692亿美元
【单选题】肾脏排H+的主要机理是
A.
H+与Cl-结合成HCl
B.
通过碳酸酐酶的作用H+与碳酸氢盐结合
C.
H+与肾小管中小管液NH3结合,形成NH4+
D.
H+以盐酸的形式被分泌出来
E.
H+以H2O和盐酸的形式被排除
【单选题】当梭外肌发生等张收缩时出现()
A.
腱器官的传入冲动增多,肌梭的传入冲动不变
B.
腱器官的传入冲动不变,肌梭的传入冲动增多
C.
腱器官的传入冲动不变,肌梭的传入冲动减少
D.
腱器官的传入冲动减少,肌梭的传入冲动不变
E.
肌梭和腱器官的传入冲动均增多
【判断题】真象是事物本质的表现,假象不是事物本质的表现。
A.
正确
B.
错误
【单选题】Who brought the big cake? [     ]
A.
He did.
B.
Let's see.
C.
She does.
【单选题】初产妇25岁,妊娠38周临产,2小时前肛查宫口开4cm,现肛查宫口仍开4cm,检查:7~8分钟一次宫缩,持续时间30秒,胎膜未破,正确处理措施是
A.
静滴催产素
B.
人工破膜
C.
会阴侧切
D.
产前助产
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