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【简答题】
在电场强度 E 和磁感应强度 B 方向一致的电场和磁场中,有一运动电子,某时刻速度 v 的图 13.4( a ) 和图 13.4( b ) 所示 . 设电子质量为 m ,电量为 q ,则该时刻运动电子法向加速度和切向加速度的大小分别为 图 ( a ) 中 a n = . a t = ; 图 ( b ) 中 a n = . a t = .
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皮皮学刷刷变学霸
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【简答题】If people are more demanding or harmful than supportive, you should limit your interaction with them to protect your own ______.
【单选题】Having so little money to spend on an apartment does limit you in your______.
A.
selection
B.
election
C.
choice
D.
opportunity
【单选题】Which of the following is not expressed in the text?
A.
Short answers limit your chances of creating a positive impression.
B.
All over the world, candidates are expected to wear a suit to a job interview.
C.
Showing interest in a company may increase your chances of being offered a job.
D.
Interviewers can 'read between the lines' (that is, they can understand more about us than we say).
【单选题】Which of the following is TRUE according to the passage?
A.
You should limit your mobile phone calls to personal affairs.
B.
You should speak quietly into your phone while in a church.
C.
You are supposed to turn off your mobile phone at a funeral.
D.
You are supposed to use your mobile phone as much as possible.
【简答题】Limit your blocks of study to ______ on any one topic or type of work.
【简答题】When you severely limit your total amount of working time for a day, you will become ______.
【单选题】You were driving carelessly and your speed was above the limit. You’re the one _______.
A.
blamed
B.
to be blamed for
C.
to blame
D.
blaming
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