A.Computers, wiring and sensors.
B.Complicated computer networks.
C.Video-cameras, TV sets and alarms.
D.Microprocessors, transmitters and electric cables.
第1题
A.Computers, wiring and sensors.
B.Complicated computer networks.
C.Video-cameras, TV sets and alarms.
D.Microprocessors, transmitters and electric cables.
第3题
What does the speaker think of old people?
With their wide knowledge, they can ______ young people.
第4题
A.Family, culture and society play an active part.
B.Bad school environment is the leading cause of student cheating.
C.Parents are always to blame for their children"s cheating behaviour.
D.Cheating exists primarily because students learn bad things from TV.
第6题
A.It doesn"t matter how long it will be.
B.One should not release the other"s hand too quickly.
C.The longer the handshake is, the better impression you will leave.
D.It should be dependent on the relationship between the hand shakers.
第7题
A.How the Big Bang occurred about 13 billion years ago.
B.How“cosmic dark ages”came into existence.
C.How dust grains and gases were formed after the Big Bang.
D.How the first stars came into being after the Big Bang.
第8题
A.The increase of private mail service.
B.A comparison of urban and rural postal services.
C.The development of government postal system.
D.The history of postage stamps.
第9题
His present employer is helping him to find ______.
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