单项选择题

Questions 1 to 3 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
Now, listen to the conversation. What problem does Alberto say Brazil faces now

A．The lack of overall urban planning.
B．The huge gap between the haves and have-nots.
C．The inadequate supply of water and electricity.
D．The shortage of hi-tech personnel.

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单项选择题

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.

单项选择题

Why do few Asian-American students major in human science

A．Because their English is not good enough.
B．Because they are afraid they might meet with unfair judgment in these areas.
C．Because there is a wide difference between Asian and Western cultures.
D．Because they know little about American cultures and Western cultures.

Questions 1 to 3 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now, listen to the conversation. What problem does Alberto say Brazil faces now 您的浏览器不支持 audio 元素。

Questions 1 to 3 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
Now, listen to the conversation. What problem does Alberto say Brazil faces now