提示：over"在......上方"；through"穿过......内部"；in"在......中间"；本句句意为："孩子们在森林和山中漫游。"

答案：D

3.float vt.&vi. （使）漂浮；漂流；（票据等）在流通

n.漂浮物；木筏；救生圈

【典型例句】

vi.The boat floated down the stream.

船顺流漂行。

The smell of new bread floated up from the kitchen.

厨房里飘出新鲜面包的香味。

vt.There wasn't enough water to float the ship.

水不够深，船浮动不起来。

They are trying to float the logs down the river.

他们在设法使圆木顺流往下漂。

【相关链接】

floating adj.　浮动的；流动的；不固定的

float about/around　（通常用于进行时）（思想等）传播；流传

活学巧用

3.1）汉译英

（1）一群鸭子缓缓游过。

__________________________________________

答案:A group of ducks floated by.

（2）美妙的乐声从窗口传出。

__________________________________________

答案：Beautiful music came floating out of the window.

2）单项填空

If an idea,etc.________ ,it is talked about by a number of people or passed from one person to another.

A.float about B.floats about

C.is floating about D.are floating about

答案：C

4.peaceful adj.和平的；安静的；爱好和平的；不爱争吵的

【典型例句】

They hope for a peaceful settlement of the dispute.

他们希望和平解决争端。

It's so peaceful out here in the country.

这里的郊外一切都是那么宁静。

He had a peaceful life.

他过着平静的生活。

The aims of the organization are wholly peaceful.

这个组织的宗旨完全是追求和平。