() 3. (2015 •青岛) At school,we are taught  knowledge  how to behave well.

   A. neither;nor   B. either;or

   C. not only;but also   D. not;but

() 2. Don’t  others too much. We should do things on our own.

   A. agree with   B. think about

   C. look after   D. depend on

() 1. (2015 •无锡) Why did she get so mad? It was only a  joke.

   A. hopeless   B. hopeful   C. harmless   D. harmful

5. He often smokes. He thinks it is but I think it's to his health,   (harm)

4. She always does her homework   (careless) , so she isn t   good at her studies.

3. There are some   (spell) mistakes in your composition.

2. We should turn off the tap when   (brush) teeth.

1. it's  (mean) for everyone to protect our environment.

5. The new factory needs a lot of   (煤) and natural gas every day.

4. There is a lot of   (石油) under the ground.