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【简答题】
简述急性化脓性骨髓炎的X线表现如何。
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【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 the basic principles in the use of the tour guides language?
A.
correct
B.
clear
C.
vivid
D.
formal
【单选题】What are tour guides made up of?
A.
Tour leader
B.
National tour
C.
Local guide
D.
All the answers
【单选题】Which of the following statements is TRUE?
A.
Tour guides are supposed to arrange dinner outside the hotel.
B.
Tour guides' recommendations on food are unreliable.
C.
Tourists must have lunch in the hotels they stay in.
D.
Tourists may taste local dishes during dinner time.
【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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