1.　　　　 The writer’s purpose in writing this passage is to tell_______.

A.　　　 readers how to be popular in the word

B.　　　　 teenagers how to learn to decide things for themselves

C.　　　　 parents how to control and guide their children

D.　　　 people how to understand and respect each other

5. It can be conclued from the passage that ________________.　

　 A. we should not believe what we see or hear　 B. things moving downward are more noticeable　　　 C. people often have wrong ideas about ordinary phenomena(现象)

　 D． adults are not as good as children in observing certain natural phenomena

4. The underlined word “ activity “ is most closely related to the word(s) ______________.

　 A.　 “ cloud”　　 B. “lightning strikes”　　 C. “ lightning flashes”　 D. “thunderstorms”

3. What is TRUE about lightning according to the passage?

A.　　 Only a small number of lightning flashes occur on earth

B.　　　 Lightning travels 5 times faster than thunder

C.　　　 Lightning flashes usually jumps from one cloud to another

D.　　 There are far more lightning strikes occurring on earth than we imagine

2. We believe that lightening is a downward motion because __________________.

A.　　 we were taught by our parents from our childhood

B.　　　 we are taken in by our sense of vision

C.　　　 it is a common natural sight　　　　 D. it is a truth proved by science

1. According to the author, in the area of the Central Valley, -_______________.

A.　　 rains usually come without thunder and lightning

B.　　　 it is usually dry in April

C.　　　 children pay no attention to the two natural wonders

D.　　 parents are not interested in thunder and lightening

4. According to the passage, the last way a consumer has to use is _____________.

　A. to write to the producer　　　　 B. to quarrel with the manage

　C. to warn the seller that he or she will turn to the court or a consumers’ organization for help

　D. to collect several fighters to threaten the seller

3. The passage tells us _______________.　

A.　　 how to make the complaint have a good effect

B.　　　 how to settle a consumer’s complaint

C.　　　 how to avoid buying something wrong

D.　　 how to deal with complaints from consumer

2. The most effective complaint about what was bought can be made by ______________.

　A. showing the fault of it to the producer　　 B. saying firmly it is of the poor quality

　C. asking politely to change it　　　　　　 D. explaining exactly what is wrong with it

1. If a consumer wants a quick settlement of his problem, it’s better to complain to ___________.

　A. a shop assistant　　 B. the producer　　 C. a public organization　 D. the manager