单项选择题

What is this news mainly about

A．The safety of air ambulances.
B．The safety of rescue workers.
C．Air ambulance accidents since 1978.
D．Helicopter crashes since 2000.
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单项选择题
What did the newspaper's investigation reveal
A．The airline companies needed more funding.
B．The number of crashes doubled during the previous 5 years.
C．The government did not adopt safety measures.
D．The government did not inspect the industry adequately and in an organized way.
单项选择题
Which of the following statements about Hank Walker's pictures is true
A．They are too quiet to attract attention.
B．They display a world familiar to us.
C．They stand as selfish lovers waiting for appreciation.
D．They are too expensive to buy.
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