healthier and happier because I bike to work regularly."可推断作者已经习惯骑自行车去上班了。]

　　2．What's the common reason why people don't choose to bike to work?

　　A．That it wasn't safe enough.

　　B．That it takes too much time.

　　C．That they are not fit enough to do so.

　　D．That they may smell bad after it.

　　D　[细节理解题。根据第四段的"They worry about cleanliness and lack of shower equipment at their workplace."可知人们担心骑自行车去上班身上会有汗臭味。]

　　3．The underlined word"enhance"in the last paragraph is similar in meaning to ．

　　A．change　　　　　 B．affect

　　C．improve D．delay

　　C　[词义猜测题。根据"more and more employers are warming up to encourage their employees to ride"可推断骑自行车上班能"提高"工作效率，故而得到老板们的肯定。]

　　4．How does the writer make his point clear?

　　A．By telling a story of one of his friends.

　　B．By telling his own bike­to­work experience.

　　C．By showing the results of a study.

　　D．By giving detailed data.

　　B　[文章结构题。通读全文，可知作者是通过讲述自己的故事来说明骑自行车上班的好处，故选B。]

　　IV.完形填空

Disneyland opened in 1955 and instantly became the world's most recognizable and popular theme park.This was the only Disney theme park visited by Walt Disney