单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．18.
B．22.
C．12.
D．35.

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热门试题

单项选择题A．Planting crops.B．Clearing new land.C．Building houses.D．Caring for animals.

A．Planting crops.
B．Clearing new land.
C．Building houses.
D．Caring for animals.

单项选择题A．A community of plants.B．A community of animals.C．The study and understanding of plants and animals.D．The interacting physical factors of the environment.

A．A community of plants.
B．A community of animals.
C．The study and understanding of plants and animals.
D．The interacting physical factors of the environment.

Questions 11 to 18 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。

Questions 11 to 18 are based on the conversation you have just heard.