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【单选题】
You ________ sleeping on the train. You were very loud! [ ]A.
are
B.
were
C.
was
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【简答题】平衡方程的力矩方程中,矩心通常选取在未知力的力线________。
【简答题】Tanslate the sentence into English: 为了您的安全,高峰时间请不要拥挤。
【简答题】为了您的安全,高峰时间请不要拥挤。
【简答题】饭店管理的职能有哪些?
【简答题】In Berkeley, California, Community Memory Project has been launched to make sure that anyone is able to use high technology.
【简答题】饭店管理职能有哪些?
【多选题】Translate the following sentences into English. 为了您的安全，高峰时间请不要拥挤。 2. 请问往浦东国际机场方向的首班车是几点？ 3. 非高峰时段的列车间隔是4～9分钟。 4. 早高峰时几乎没有可能坐到座位。 5. 我花了半小时坐回来。
A.
For your safety, please don't push during the peak time.
B.
Could you tell me the departure time of the first train to Pudong International airport from here?
C.
The interval between trains will be 4 to 9 minutes during the non-peak hours.
D.
It's almost impossible to find a seat during the morning peak.
E.
It took me half an hour to get on a train back.
【简答题】用MATLAB画一个龋齿周期函数的合成与分解,并将代码进行详细注释 。
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