题目内容：

“Don’t talk to strangers ...” That is probably one of the ____ pieces of advice handed down from our parents. Yeah, they ____ well. Since there are bad people out there, it seems to be a good idea in order to help ____ us. And over the years we’ve learned how to keep our eyes ____ . We are used to making no eye contact with strangers.

___, the price that we pay for this ____ is that we grow up suspicious(表示怀疑的) of others and their motives. We tend to have a(n) ____ of strangers, which is neither necessary nor ______ as we grow older.

Most people out there are not sociopaths（反社会者). ____, most people are quite ____. What once protected us from bad people is now preventing us from establishing relationships with

___ people!

In general, you know that the random stranger standing next to you is very ____ to kidnap (绑架) you, yet the emotion of fear is ____ associated with talking to them. So you ____ do it. But you miss out on a lot by closing yourself off to new people like this.

Instead, you should actively ____ that people in general are friendly. Why? Because they are. Most people actually are nice. We are ____ creatures, and we welcome interactions with others. Think about it: when a stranger starts a(n) ____ with you, how do you usually ____ ?

Besides, you never know who you might ____. The person standing behind you in a line could one day be your best friend. It ____. But even if it's not that extreme, you never know if that person has a job opportunity for you, or is just a cool person who you would enjoy having a brief conversation with.

1.A. shortest    B. worst    C. longest    D. best

2.A. meant    B. planned    C. spoke    D. worked

3.A. inspire    B. instruct    C. change    D. protect

4.A. up    B. open    C. down    D. shut

5.A. Especially    B. Thankfully    C. Unfortunately    D. Uncertainly

6.A. safety    B. health    C. power    D. delight

7.A. anger    B. pain    C. shame    D. fear

8.A. important    B. obvious    C. humorous    D. reasonable

9.A. In case    B. In fact    C. At times    D. At first

10.A. brave    B. friendly    C. smart    D. patient

11.A. bad    B. famous    C. good    D. common

12.A. ready    B. Unlikel    C. eager    D. unwilling

13.A. still    B. never    C. only    D. even

14.A. always    B. often    C. sometimes    D. seldom

15.A. doubt    B. assume    C. guess    D. decide

16.A. living    B. complex    C. unique    D. social

17.A. meeting    B. experiment    C. argument    D. conversation

18.A. listen    B. connect    C. react    D. devote

19.A. hurt    B. forget    C. meet    D. benefit

20.A. happens    B. depends    C. affects    D. fails