单项选择题

Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now, listen to the passage. What is the first thing that people ought to do in face of pollution, according to the author

A．To see the sky outside in the morning.
B．To walk outside to see the colored sun.
C．To take care of, and prevent air pollution now.
D．To analyse the different layers of air pollution.

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单项选择题

What is Maggie’s advice to Jack’s problem

A．To choose between career and family.
B．To comfort himself by fishing in the sea.
C．To forget his problem as soon as possible.
D．To pursue his career while he is still young.

单项选择题

According to the prescription, how many times does Sam have to take the medicine in a week altogether

A．Four times.
B．Forty-two times.
C．Twenty-four times.
D．Twenty-eight times.

Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now, listen to the passage. What is the first thing that people ought to do in face of pollution, according to the author 您的浏览器不支持 audio 元素。

Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now, listen to the passage. What is the first thing that people ought to do in face of pollution, according to the author