①I owe ________ to you that I finished my work on time.

②We owe a great deal ________ our parents.

答案　①it　②to

2．bother vt. 打扰；vi. 操心；n. 烦扰

[温馨提示]

bother作为"麻烦，烦扰"讲时为抽象的不可数名词，当作为"麻烦的人或事"讲时为可数名词。

I don't want to bother you with my problems.

我不想让你因为我的问题而担心。

单句语法填空

①Sorry，I'm too busy ________(bother)about fixing it now.

②Tom，a really naughty boy，is ________ bother to his teacher.

答案　①to bother　②a

Period Three　Using Language

[课 文 预 读]

Ⅰ. 课文理解

1．The writer of the text ________.

A．is excited by the possibility of cloning fierce and extinct animals

B．believes that extinct animals can be brought back to life by cloning

C．thinks it impossible or unsuitable to clone extinct animals like dinosaurs

D．dreams of dinosaurs returning to the earth

2．The film Jurassic Park is popular because ________.

A．people are interested in the subject of cloning

B．it was directed by a scientist who clones dinosaurs

C．all the actors are dinosaurs

D．it proves very interesting

3．Which of the following is TRUE according to the text?