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There used to be a power station in the countryside, ______?A.didn"t itB.wouldn"t thereC.s
There used to be a power station in the countryside, ______?
A.didn"t it
B.wouldn"t there
C.shouldn"t it
D.usedn"t there
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There used to be a power station in the countryside, ______?
A.didn"t it
B.wouldn"t there
C.shouldn"t it
D.usedn"t there
Which of the following distinctive features can be used to separate [p]and [b]?
A.Stop.
B.Fricatives.
C.Bilabial.
D.Voicing.
A.A.intensively
B.B.extensively
C.C.intensive
D.D.intensive
Why were precious metals gradually used for making coins?
A.Because they were durable and portable.
B.Because they were recognizable.
C.Because they were divisible.
D.All of the above.
A.0
B.1
C.2
D.3
The essence of(74) is the invention of a hierarchical, domain-based naming scheme. It is primarily used for mapping host names and e-mail destinations to IP addresses.
A.DNS
B.NNTP
C.CDP
D.FTP
Rubber derived from used tires can be widely used because ______
A.it can be processed into new products
B.it can be recycled 100 percent
C.it contributes to improving the appearance of our cities
D.such rubber is especially strong
A.氢 H
B.氮 N
C.氧 O
D.磷 P
E.碳 C
An ohmmeter can be used to measure_____.
A.current flow in a circuit
B.voltage between two points in a circuit
C.circuit continuity
D.power
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