1 . In the 18th and 19th centuries, _____ (wealth) people travelled and collected plants, historical objects and works of art.（用单词适当形式填空）

3 . It is ______ (令人吃惊的) that China has made such a great achievement in the medical field. （根据汉语意思单词拼写）

4 . It is quite difficult to make everyone ________.

A．satisfy

B．satisfied

C．satisfying

D．to satisfy

5 . Do you think the course I’ve chosen is really ________(suit) for me? (用所给词的正确形式填空)

6 . Seeing me，the confident girl gave me a ____________(determination) look. (用所给词的适当形式填空)

7 . You need a ________(正式的) introduction to join the union. (根据汉语提示单词拼写)

8 . Cao Jing 很快就习惯了高中生活。(get used to) （汉译英）

9 . Some are ________（addict）to smoking cigarettes, only several packets of which will hurt their lungs. （所给词的适当形式填空）

10 . Giving a speech in front of the whole class can be ________ (challenge). （所给词的适当形式填空）