单项选择题


Questions 1446 are bused on the following dialogue. You now have 15 seconds to read Questions 14--16.
What must you make sure when you load the cassette

A．That you open the recorder.
B．That you get the power supply.
C．That you get the right side of the tape facing you.
D．That you switch the recorder on.
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单项选择题
What’s the main topic of this passage
A．It’s about the tests of a new airliner before its flying.
B．It’s about how to protect a new airliner.
C．It’s about how to train a new pilot.
D．It’s about what the airliner engineers should do.
单项选择题
What can we infer from the passage
A．Plants have more characteristics than animals.
B．Animals have more characteristics than plants.
C．Plants and animals are different in several ways.
D．Plants and animals are less powerful than human beings.
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