"________"．

　　A．close　　　　　　　　　　 B．important

　　C．perfect D．formal

　　解析：选A　词义猜测题。根据第二段"For instance, two friends may stand just inches away."可以推断，关系越密切的人站得就越近，故选A。

　　2．If a person who is talking to you steps back a little, that probably means ________.

　　A．he doesn't feel confident in the situation

　　B．he feels uncomfortable with the distance between you two

　　C．he has no interest in the subject that you're talking about

　　D．he doesn't want to make friends with you

　　解析：选B　细节理解题。根据第二段"if you don't feel comfortable with the distance between you and someone else, it may help to step back a little"可知应选B。

　　3．Before you touch someone you don't know very well, you'd better ________.

　　A．choose a proper position

　　B．ask for their permission

　　C．learn more about their experiences

　　D．think about whether it is appropriate to do so

　　解析：选D　细节理解题。根据第三段"It may be helpful to remember that the less you know about someone, the harder it is to judge whether it is appropriate to touch them."可知应选D。

　　4．Which of the following is NOT a reason why a person who works in the health department may laugh if he learns of a tragedy?

　　A．To cheer up the person who is involved in the tragedy.

　　B．To keep a healthy mind.

　　C．To stop himself from breaking down.

　　D．To stop himself from crying.

解析：选A　细节理解题。根据最后一段"to keep a normal and healthy mind ...