答案：ranged from; to

　　2. For years she bravely ________ her fears until at last she conquered them.

　　答案：wrestled with

　　3. Amazing discoveries were made in medicine, communications and transport，________ our knowledge of the world and space.

　　答案：not to mention

　　4. Scientists ________ how to split the atom, previously thought to be the smallest particle of matter in the universe.

　　答案：figured out

　　5. If you had to choose the single most important discovery of the 20th century, you would be ________.

　　答案：in a dilemma

　　Ⅲ. 完成句子

　　1. It's impossible to know ________ what the future will be like.

　　能预知未来会怎样是不可能的。

　　答案：in advance

　　2. He's not very good at ________ his ideas.

　　他不太善于清楚地表达自己的思想。

　　答案：getting across

　　3. He ________ a child ________ drowning.

　　他救起了一名落水儿童。

　　答案：rescued; from

　　4. ________________， I had to stop to have a rest.

　　又累又饿，我只好停下来休息一下。

　　答案：Hungry and tired

　　5. He speaks __________ no one can understand him.

　　他说话太快了，以致于没有人能听懂。

　　答案：so fast that

　　Ⅳ.单句语法填空(不多于3个单词)

1. There are 120 students in the small village school, whose ages range ________ 10 to 18.