单项选择题

Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now, listen to the conversation.
How is the weight used

A．To check the accuracy of scales.
B．To calculate the density of other metals.
C．To observe changes in the atmosphere.
D．To measure amounts of rainfall.

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单项选择题

What is the problem with Ann’s present apartment

A．It is too expensive.
B．It is a bit far.
C．It is too noisy.
D．There is no par-king space.

单项选择题

The discussion topic of the previous class meeting was

A．new England mystery stories.
B．the life of Emily Dickinson.
C．a comparison of poems between Dickinson and Whitman.
D．the poems of Walt Whitman.

Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now, listen to the conversation. How is the weight used 您的浏览器不支持 audio 元素。

Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now, listen to the conversation.
How is the weight used