1 . 生活中总有一些起起伏伏，但是正是苦难让我们更加坚强。
There are always some ups and downs in our lives, ________________. (强调句)

2 . It was the trip to Tibet three years ago________completely changed his attitude towards life.

A．that

B．when

C．who

D．how

3 . 正是因为那位高管蓄意篡改销售数据，才使得该公司没能完成第二轮融资。(It) （汉译英）

4 . 正是由于大家的共同努力，参加奥运会的中国健儿才取得了巨大的成就！（强调句）
________ because of joint efforts ________ the Chinese athletes ________ the Olympic Games made great achievements!

5 . 面对当今全球化趋势，我们确实需要构建人类命运共同体。（强调谓语）
Faced with the trend towards globalization today, ____________________________.

6 . It was not until spring 2008, when Sarah and Brown shared a flight between London and Washington, ________they got to know each other properly.

A．where

B．what

C．before

D．that

7 . It was in the 1980s, _____ he was already in his fifties, ____ his career as a poet began to take off.

A．when; when

B．that; that

C．that; when

D．when; that

8 . He knew that it is cholera _________ would never be controlled until its cause was found.

A．who

B．whom

C．which

D．that

9 . 是什么使她有别于她的同班同学呢？
What was it that ________ her classmates?