Ⅲ.补全短语

　　1. close to　　　　　　靠近；接近；几乎

　　2._on_average 平均

　　3. adapt_to (使)适应

　　4. be made up of 由......组成

　　5. in the form of 以......的形式

　　6. stand out 引人注目；突出；显眼

　　7. set foot on 进入，到达；踏上

　　8. in particular 尤其

　　9. in a(n) ...state 处于......状态

　　10. keep ...free_from ... 使......免受......

　　1. [教材原句]With annual rainfall close to zero, Antarctica is technically a desert.

　　南极洲降雨量几乎为零，严格说来该区域就是一片荒漠。

　　[句型点拨]with复合结构。

　　[佳句赏析]因为没有东西长在这片地上，它最终成了一片沙漠。

　　With nothing growing on the land, it finally became a desert.

　　2. [教材原句]A high mountain range, the Trans­Antarctica range, runs from east to west, cutting the continent in two.

　　一座高耸的山脉横穿南极洲，从东到西将南极洲分为两半。

　　[句型点拨]现在分词短语作结果状语。

　　[佳句赏析]他们的车遇上交通堵塞，因而耽误了。

　　Their car was caught in a traffic jam, thus causing the delay.

　　3. [教材原句]Not until the late 18th century did the British explorer James Cook cross the Antarctica Circle, but he never saw land.

　　直到18世纪末，英国探险家詹姆斯·库克才穿越了南极圈，但他却从未发现任何陆地。

　　[句型点拨]not until置于句首引起的部分倒装。

　　[佳句赏析]直到他女儿给他打电话，史密斯先生才相信那个消息是真的。

　　Not until his daughter called him did Mr Smith believe that the news was true.