正中时，不与对颌两个牙保持相互交错接触的牙是（） A.上颌中切牙和上颌第三磨牙 B.

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Culture shock is a special disease for people who have suddenly moved to a foreign country.   小题1:  .

Culture shock is caused by the anxiety that results from losing all familiar signs of social communication.小题2:    When to shake hands and what to say, when we meet people, when and how to give tips, how to do shopping, when to accept and refuse invitations, when to take statements seriously and when not. These signs, which may be words, gestures, facial expressions, or customs, are acquired（获得） by all of us in the course of growing up and as much a part of our culture as the language we speak or the beliefs we accept.  小题3:    .

Now when a person enters a strange culture, all or most of these familiar signs are removed. No matter how broadminded will you may be, a series of supports have been knocked from under you, followed by a feeling of failure in much the same way.小题4: “The ways of the host country are bad because they make us feel bad.” When foreigners in a strange land get together to complain about the host country and its people, you can be sure that they are suffering from culture shock.

Another phrase of culture shock is regression（退化）. The home environment suddenly becomes very important. To the foreigner, everything becomes unreasonably beautified. All the difficulties and problems are forgotten and only the good things back home are remembered.   小题5:    .

A．Nowadays a lot of people work at home.

B．The children are taught to respect different cultures ．

C．Like most illnesses, it has its own symptoms（病症） and cures.

D．It usually takes a trip home to bring one back to reality.E. First they reject the environment which causes discomfort.

F. Those signs include many ways in which we are used to the situation of daily life.

G. All of us depend on hundreds of these signs, most of which we do not carry on the level of conscious awareness（察觉）.

广告诈骗罪

This was one of my experiences (1) . When I was in my 30s, I was working for a large international company which had its head office in London. I was working in the (2) department.
The company had a training centre which was just outside London. Different courses were held there throughout (3) and I (4) go on one training course a year. These usually started (5) a Sunday evening and lasted six days.
Once I was (6) a week’s training course with about forty (7) sales people. I was in the bar on the Friday evening and suddenly a woman who was (8) behind the bar asked mea curious question. "I hope you don’t (9) my asking," she said, "but I’ve been (10) about it all week. Have you got a sister (11) Mary" The woman’s name was June. And she used to do various jobs at the training centre. She worked in the office, she organized all the food and drink for the centre and she worked in the bar at lunchtime and in the evening.
My answer (12) June’s question was "Yes", and June said, "I thought (13) . I met her last September when she was organizing a course here. " At that time, my sister was working for (14) company but in a different part of the country. That was (15) she came to be at the training centre.
(16) surprised me was how June guessed we were brother and sister. Three things made it even more (17) . First, she had met my sister six months before she met me. Second, they have about sixty new people every week at the training centre. So about one thousand five hundred people had (18) the centre in those six months. And (19) , my sister is married, so she doesn’t have the same family name as me.
We’re not (20) , but I guess we must look quite like each other.

A．understanding
B．wondering
C．discovering
D．worrying

对查出的管制物品实行寄存制。

能被吸入人体肺泡区的尘埃叫做（）

A.呼吸性粉尘

B.浮尘

C.落尘