单项选择题

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

A．It is very simple to operate.
B．It does not produce pollution.
C．It costs quite a bit of money to use.
D．It can replace cars in crowded city centers.

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单项选择题

A．To have them replanted in fields.B．To control how fast the trees grow.C．To give the trees the traditional shape.D．To remove the unwanted from the trees

A．To have them replanted in fields.
B．To control how fast the trees grow.
C．To give the trees the traditional shape.
D．To remove the unwanted from the trees

填空题

S6. If you have arthritis, what kind of exercise is preferable

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.