1．How can we _________（称）such a strong animal？
2．Some _________（微小的）computers are put into human bodies.
3．British English and American English are different in some _________（表达方式）
4．Most manatees eat about a hundred _________（磅）of food every day.
5．濒危动物 _____________________
6．关心_____________________
7．公众_____________________
8．水下生长的草木_____________________
9．The water here is ____________ (pollute). It smells terrible.
10．They are against ____________ (build) chemical factories near our school.
11．The program isn’t ____________ (suit) for teenagers.
12．After graduation, Peter went to a high school to ____________ (education) kids as a volunteer.
13．We all urge my father ____________ (give) up smoking.
