单项选择题

Passage One Questions 11 to 13 are based on the passage you have just heard.

A．It is compared with an operating room light.
B．It is compared with a game.
C．it is compared with a brain-drain machine.
D．It is compared with a stimulation drug.

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填空题

S7. Students of different abilities are placed together in a cooperative learning groups in that________.

单项选择题

A．They detect nerve impulses transmitted to a grasshopper’s legs.B．They sense how far a grasshopper has jumped.C．They detect changes in air pressure.D．They help a grasshopper find food.

A．They detect nerve impulses transmitted to a grasshopper’s legs.
B．They sense how far a grasshopper has jumped.
C．They detect changes in air pressure.
D．They help a grasshopper find food.

Passage One Questions 11 to 13 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。

Passage One Questions 11 to 13 are based on the passage you have just heard.