题目内容

The plane is flying _____ the bridge.

A. under
B. over
C. on

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Our village is in a valley _____ two hills.

A. on
B. beneath
C. between

My wife and I are walking ____ the banks of the river.(沿河岸散步)

A. along
B. into
C. over

():表示汽油抗爆性好坏的数值。反映的是汽油在汽缸内的燃烧性能,是衡量汽油质量的重要指标。

A. 己烷值
B. 皂化值
C. 碘值
D. 辛烷值

矿物油物证包装的容器是()

A. 纸袋
B. 塑料袋
C. 玻璃瓶
D. 塑料瓶

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