单项选择题


Questions 17—20 are based on the following text about energy. You now have 20 seconds to read Questions 17—20.
What’s the percent of energy that warms the earth

A．30%.
B．50%.
C．70%.
D．13%.
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单项选择题
What can we infer from the conversation
A．Jane has just learned to drive.
B．Jane’s car is in bad condition.
C．Mike will go to the airport.
D．Mike won’t go to the airport.
单项选择题
A．poorB．goodC．littleD．special
A．poor
B．good
C．little
D．special
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