题目
第1题
Which of the following sentences illustrates sublimation?
A.A thin layer of ice forms on the surface of a lake.
B.Raindrops freeze when they touch the cold ground.
C.Water vapor freezes on the surface of a sidewalk.
D.All of the ice cubes in a glass of soda melt.
第2题
Why is Trafford Bridge mentioned?
A.An accident has occurred at one end.
B.A vehicle has broken down on it.
C.Urgent repair work is going on there.
D.Residents of the area are staging a protest.
第3题
●When a bridge transmits an Ethernet frame, the Ethernet frame. has(75).
(75)
A. the broadcast address for the its source address
B. the bridge's LAN address for its destination address
C. the bridge's LAN address for its source address
D. none of the above
第4题
A pop singer must work hard when he has become famous to ______.
A.attract the public
B.remain popular
C.sell more records
D.earn more money
第5题
A.She has recently gone there.
B.It's not a very good one.
C.There's one in her home town.
D.It will be closed when she's free.
第6题
When the writer says that the London Bridge Tower would not stand in Manhattan, he means
A.its residents are unlikely to embrace skyscrapers.
B.Europe is one of the largest financial markets.
C.Americans hold a continuing fear of terrorism.
D.KPF has been subjected to strong criticisms.
第7题
When ice cream is being hand-churned it is surrounded by a mixture of ______.
A.syrup and cream
B.syrup and ice
C.salt and ice
D.fresh fruit and ice
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