答案：　that；that

　　Ⅲ.完成句子

　　1．随着时间的推移，爱因斯坦的理论证明是正确的。

　　__________________，Einstein's theory proved to be correct.

　　答案：　 As time went by

　　2．在电脑的帮助下，人们在家办公已成为一件可行的事。

　　__________________the computer，it has become possible for humans to work at home.

　　答案：　With the help of

　　3.我发育缓慢，差不多到了两百年之后，查尔斯·巴比奇才把我制成了一台分析机。

　　I developed very slowly and__________________I was built as an analytical machine by Charles Babbage.

　　答案：　 it took nearly two hundred years before

　　4．直到1997年，科学家才成功地克隆了哺乳类动物，即世界闻名的"多莉"羊。

　　________________________1997 ________scientists successfully cloned the first mammal，the now world­famous sheep known as Dolly.

　　答案：　It was not until；that

　　5．我们不再需要担心濒临灭绝的动物。

　　We __________________need to __________________the endangered animals.

　　答案：　no longer；worry about

　　Ⅳ.根据汉语提示，完成语段训练

　　过去，人们只是徒手劳动，但随着时间的推移，越来越多的新技术被运用。在计算机的帮助下，我们已不担心工作效率。在中国，直到1983年才研制出第一台计算机，从此，我们的生活有了很大的变化。

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　　答案：　In the past，people used to work only with their hands.But as the time went on，more and more new technology has been used.With the help of the computer，we no longer worry about working efficiency.In China，it was not until 1983 that the first computer was invented，which has changed our life a lot since then.

　　Ⅴ.完形填空

It was a cold，wet day when 14­year­old Wasana Sanjeewa arrived at St.Anthony's College.Waiting outside his classroom for his classmates to__1__，Wasana looked at the__2__.Then he noticed enormous amounts of rainwater flowing down the hill behind the classroom.For a few minutes，Wasana __3__the water，wondering why it looked so__4__.