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【单选题】
齿廓接触点处公法线与两轮连心线的交点称为（）A.
齿廓
B.
节线
C.
节面
D.
啮合节点
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反馈参考答案：
举一反三
【单选题】听力原文：Dr. Green is a pediatric dentist. Most of his patients are children. Children like to come to his office. He tells them about their teeth. He cleans their teeth well. He also takes care of their ...
A.
A psychiatrist.
B.
A pediatric dentist.
C.
A paediatrician.
【单选题】以下对于缺省路由描述正确的是______。
A.
缺省路由是优先被使用的路由
B.
缺省路由是最后一条被使用的路由，缺省路由是一种特殊的静态路由
C.
缺省路由比静态路由优先级高
D.
缺省路由是一种特殊的动态路由
【单选题】Do you know in what circumstances was it____________ Jack achieved his goal?
A.
how
B.
where
C.
when
D.
that
【单选题】REMICs are most like
A.
Freddie Mac pass - through securities.
B.
Ginnie Mae pass - through securities.
C.
participation certificates.
D.
collateralized mortgage obligations.
【简答题】John: What do you think of our new wallpaper?Jack: ______
【单选题】What do you think of Jack?
A.
he was a clever
B.
he was not clever
C.
he was good at his lessons
D.
he didn’t do well in his lessons
【单选题】以下对于缺省路由描述正确的是 。 A. B. 缺省路由是最后一条被使用的路由 C. 缺省路由是一种特殊的静态路由 D.
A.
缺省路由是优先被使用的路由
B.
网络失效时所用的路由
C.
缺省路由是一种特殊的动态路由
D.
在路由表中没有找到到目的网络时所用的路 由
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