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【简答题】
地面上某点到两目标的方向线铅垂投影在水平面上的构成的角度,称为水平角。其取值为 。
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举一反三
【单选题】Which of the following is not typical of James Bond?
A.
He performed his work calmly and efficiently.
B.
He had an iron will.
C.
He was unemotional.
D.
He had a tendency to boast.
【单选题】报关企业在办理注册登记许可延期的同时办理换领报关企业登记证书手续。
A.
正确
B.
错误
【单选题】Martin Hughes is not your typical hybrid-driving, clean-energy fanatic. Hughes and his wife, both longtime oil-industry veterans, zoom around Houston in no-compromise vehicles. His, a Nissan Xterra SU...
A.
to show he and his wife are both environmentally conscious
B.
m serve as the background of his life story
C.
to introduce the topic of 'green tag'
D.
to encourage the readers m follow suit
【单选题】He is so _____ that he is not only interested in the whats, whys and hows, but also knows where to find the answers to all of these questions.
A.
intelligent
B.
typical
C.
prestigious
D.
average
【单选题】Which of the following is NOT a typical feature of Washington Irving? ( )
A.
He was regarded as Father of the American short stories.
B.
His taste was essentially conservative.
C.
He had the honor of “the American O’ Henry”.
D.
He has been regarded as a writer who “perfected the best classic style that American Literature ever produced”.
【判断题】单件、小批生产应广泛采用通用量具,如游标卡尺、百分表和极限量块等。(     )
A.
正确
B.
错误
【单选题】当一个国家老年人口的比例占到总人口的多少时,说明这个国家进入人口老龄化社会。
A.
7%
B.
10%
C.
7%或10%
D.
4%
【单选题】当一个国家老年人口的比例占到总人口的多少时 , 说明这个国家进入了人口老龄化社会
A.
7%
B.
10%
C.
7% 或 10%
D.
4%
【简答题】当孔、轴之间有相对运动要求时,应选( ) 配合。
【单选题】. —Don’t you think 400 thousand yuan is the right___________of the house? —No.It’s more than I can afford.
A.
money
B.
price
C.
value
D.
cost
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