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【单选题】
Which of the following is true?A.
Since 1973 women have been allowed to work with the London Stock Exchange.
B.
Women have always been refused participation in stock trading.
C.
Women were never officially allowed to enter the Stock Exchange.
D.
Men have been trying to get into the Stock Exchange.
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举一反三
【简答题】What are the duties of tour guides?
【单选题】What are NOT the job contents of the local guides on the way of the tour group to the hotel?
A.
Deliver a welcome speech;
B.
Make adjustments on the coach when there is a problem of jet lag;
C.
Perform well for the first route guide.
D.
Getting familiar with extended cultural knowledge related to the scenic spot.
【单选题】What are tour guides made up of?
A.
Tour leader
B.
National tour
C.
Local guide
D.
All the answers
【简答题】设已调信号表达式为 。其中 , (a)计算 的调幅度。 (b)若 是 信号,求其调频指数和传输带宽。 (c)若 是 信号,求峰值相位偏移调相指数。 (d)设 被馈入 负载,计算负载上的平均功率。
【简答题】Translation: Please translate the following sentences. 1. Tour guides are responsible for daily contract with tour companies, hotels, restaurants and vendors.
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