单项选择题

Questions 4 to 7 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 was 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

Key players in the Congo Kinshasa war are holding talks about ______ following the rebel takeover Monday of a strategic city of Kindu.

A．the next steps to take
B．the next agreement to reach
C．the next announcement to make
D．the next cease-fire to arrange

单项选择题

Who ordered that all communication with the Palestinian Authority be cut

A．Palestinian Prime Minister.
B．Palestinian President.
C．Israeli Prime Minister.
D．Israeli President.

Questions 4 to 7 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 was the weight used 您的浏览器不支持 audio 元素。

Questions 4 to 7 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 was the weight used