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【简答题】
由于中心操作员,车站操作员,车辆停车场操作员等多位置均能对某个受控对象进行控制操作,如果不进行管理,可能造成人为操作事故,因此必须对控制权限进行管理。这是综合监控系统的通用功能中的 操作互斥 。它包括中心控制和车站控制互斥 和远程控制互斥。
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【简答题】阅读理解。 Beijing opera or Peking opera is a form of Chinese opera which arose in the late 18th century and became fully developed and recognized by the mid-19th century. The form was extremely popular in...
【单选题】Beijing Opera is our national opera ________ a history of 200 years.
A.
about
B.
with
C.
at
【单选题】We wish to receive your shipping advice soon for the goods under the captioned
A.
letter
B.
cable
C.
contract
D.
communication
【单选题】For the goods under our contract No. 80, we have booked space on s.s “East wind” ________ arrive inLondon around May 19.A. is due to B. due to C. which due to D. due
A.
is due to
B.
due to
C.
which due to
D.
due
【单选题】For the goods under S/C No.555,we ____ space on S.S Dongfeng due to arrive in London around May 1st.
A.
have booked
B.
have bought
C.
have hired
D.
have retained
【单选题】For the goods under the S/C No. 48296, we have booked space on S. S. “Prince” ______ arrive in London around May 1.
A.
owing to
B.
is due to
C.
which is due to
D.
which is owing to
【单选题】For the goods under S/C No.325, we have space on S.S. Shanghai due to arrive in London around May 1.
A.
booked
B.
hired
C.
retained
D.
bought
【单选题】For the goods under S/C No.234, we _______ space on S.S. “East Wind” due to arrive in London around May 4.
A.
have booked
B.
have bought
C.
have hired
D.
have retained
【单选题】What are they going there for?
A.
To meet friends.
B.
To see Beijing Opera.
C.
To learn Beijing Opera.
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