1 .         about the universe up till now.

A．So little had me known	B．Only a little do we know
C．Very little have we known	D．Little shall we know

2 . Reading books is a good way ________ the world.

A．know

B．knows

C．to know

D．knowing

3 . A tsunami(海啸) occurs as a series of waves _______ (know) as a “wave train,” and the series of surges (巨浪) can be five minutes or up to an hour apart. (所给词的适当形式填空)

4 . before引导时间状语从句
The journey has been flying by, and_________(不知不觉中), we have reached Tanggula Station. (根据汉语提示完成句子)

5 . 渴望知道中国传统文化的哪些方面最吸引人，所以我写信来征求你的宝贵意见。(形容词短语作状语)
________ which aspects of traditional Chinese culture most appealing, I am writing to ask for your valuable advice.

6 . 我认识他很多年了，所以我很了解他。
________for many years, so I know him well.

7 . 句型公式：only＋状语位于句首，主句部分倒装
只有当你失去了健康，你才会知道它的价值。
______________its value.

8 . 不知道下一步应该做什么使杰克不知所措。
_____________ made Jack at a loss.

9 . 尽管他知道道路被洪水冲毁，但他仍然想尝试着去上学。(make an attempt to do) (汉译英)
________________________________________________________________________

10 . 请告诉我什么时间最适合你。下周末我随时都有空。
________________ . I am available anytime next weekend.