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图样及说明中的汉字,由于笔画较多,应采用简化汉字书写,必须遵守国务院公布的《汉字简化方案》和有关规定,并用 字体。长仿宋字体的高度h不应小于 ,
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【简答题】Passage 12 How time flies! More than two years ____(pass) since I entered the school. As a Senior Three student, it won’t take long before I graduate. High school ____(regard) as the golden time in a ...
【单选题】What does Carl think about taking part in the Olympic Games?
A.
He has decided that it is time for him to leave.
B.
He has lost interest in the Games.
C.
He thinks he is too old for the Games.
D.
He will take part in one more Olympic Games.
【单选题】带传动不能保证精确的传动比,其原因是 。
A.
带容易变形和磨损
B.
带在带轮上打滑
C.
带的弹性滑动
D.
带的材料不遵守胡克定律
【单选题】带传动不能保证精确的传动比,其原因( )。
A.
带容易变形和磨损
B.
带在带轮上打滑
C.
带的弹性滑动
D.
带的材料不遵守胡克定律
【单选题】带传动不能保证精确的传动比,其原因是 。
A.
带容易变形和磨损
B.
带的弹性滑动
C.
带在带轮上打滑
D.
带的材料不遵守胡克定律
【单选题】We'd better take umbrellas—I'm sure it____when we arrive in London; it's always wet there at this time of year.
A.
will rain
B.
is raining
C.
will be raining
D.
would rain
【简答题】When I was a child I had violin lessons for six or seven years. Music gave me a lot of pleasures 【M1】 ______ and I sometimes used to dream of being a professional musician. But as time went I realized...
【简答题】带传动不能保证精确的传动比,其原因是。
【简答题】带传动不能保证精确的传动比,其原因是 。
【单选题】内可船舶或者其经营人可以采用()等方式报告船舶进港情况,并在船舶航行日志内作相应的记载。 I.电报、电传、传真; II.手机信息; III.电子邮件、电子数据交换。
A.
I、II
B.
I、III
C.
II、III
D.
I、II、III
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