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【简答题】
气体的浓度有两种表示方法, 一种是( ),以mg/m 3 表示。 另一种是( ),以ml/ m 3 表示。
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【单选题】听力原文:W: The morning paper says the space shuttle is taking off at 10 a.m. tomorrow. M: Yeah, as just another one of this year's routine missions. The first mission was undertaken a decade ago and broa...
A.
This year's shuttle mission is a big step in space exploration.
B.
The shuttle flight will be broadcast live worldwide.
C.
The man is excited at the news of the shuttle flight.
D.
The man is well informed about the space shuttle missions.
【简答题】Mary is a good friend of 1 . She is very tall and she likes sports very 2 . In the morning she 3 morning exercises and then runs 4 her home. After 5 she walks to school. She often goes 6  in the lake ...
【简答题】读一读,填写节目单。 Welcome to watch English morning news. Here is the program for this morning.  At ten o'clock it's the Morning News. Then at ten thirty we have Beijing Today. At eleven o'clock, it's the Mus...
【判断题】只要是危害社会的行为就是犯罪。
A.
正确
B.
错误
【单选题】The morning news says a school bus ________ with a train at the junction and a group of policemen was sent there immediately.
A.
bumped
B.
collided
C.
crashed
D.
struck
【简答题】读一读,填写节目单。 Welcome to watch English morning news. Here is the program for this morning. At ten o'clock it's the Morning News. Then at ten thirty we have Beijing Today. At eleven o'clock, it's the Musi...
【单选题】对任意项级数 ,若 ,且 ,则该级数( ).
A.
条件收敛
B.
绝对收敛
C.
发散
D.
可能收敛可能发散
【简答题】读短文,填写表格。 Welcome to watch English morning news. Here is the program for this morning. At ten o'clock it's the Morning News. Then at ten thirty we have Beijing Today. At eleven o'clock, it is the Musi...
【判断题】在临床医学领域,只有治疗学方面的问题值得开展系统评价。
A.
正确
B.
错误
【判断题】分配数列的实质是把总体各单位按所分的组进行分配
A.
正确
B.
错误
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