单项选择题


Passage Two
What does the speaker say about plants

A．There are 250 million plants eaten by insects.
B．There are fewer plants than 250 million years ago.
C．They have their way of guarding against insects.
D．They have a better immune system than before.
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单项选择题
What does the speaker tell us about the common cameras’
A．They can help take pictures of cars on highways.
B．They can help send fines to speedy motorists.
C．They can help catch cars breaking traffic rules.
D．They can help make the traffic run smoother.
单项选择题
What does the speaker tell US about the professional teams in the U.S.
A．They are supported by the local government.
B．They are named after the cities where they live.
C．Their players gathered from all over the country.
D．They play professional basketball games in November only.
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