where子句和having子句的条件表达式有不同的作用，前者专门针对统计函数的结果进行选择， 而后者作用于普通的列。（)

此题为判断题(对，错)。

在SQL语句中,可以用Into子句将查询的结果集创建一个新的数据表中。()

A.执行查询后应返回的内容

B.分组

C.排序

D.连接数据源

ver been to a Chinese village，have you？Mrs Thomson：But we don’t have a car． Fang：Why not hire one？Mrs Thomson：Good idea!

A.What is

B.How is

C.We’re

D.What about

A.废弃物如果放错了地方，就无法变成再利用的资源

B.废弃物如果妥善利用，就会变成有价值的资源

C.资源如果放错了地方，就会变成无用的废弃物

D.废弃物是不存在的，因为它实际上也是资源

The Chinese have used a method called acupuncture(针炙) to perform. operations for about 4,000 years without putting the patient to sleep. This involves placing flexible needles into certain parts of the body. The needles are available in a number of stores in China and anyone may buy them.

To learn how to use the needles takes about one month of training. But to be skillful requires greater time. (79) The person who performs the acupuncture knows how to put in the needles so the needles themselves are not painful. This person also knows where to place the needles so the patient feels no pain in the area where the operation is to be performed. A particular operation might require 25 or more needles placed in various parts of the body. But now this operation requires only 3 or 4 needles.

Today, the Chinese doctors are trying to learn more about acupuncture. (80) They are trying to develop a convincing theory to explain how the needles work in preventing pain, or why a needle in the wrist, for example, Would prevent the pain in the area of the mouth.

A patient who needs an operation is given a choice between having acupuncture or having one of the chemicals used for putting him to sleep. It has been estimated that over half of the patients choose acupuncture because there is no sickness after the operation but the chemical may make the patient sick for a few hours or a day.

Acupuncture is ______.

A．a medical operation

B．a medical needle

C．a medical technique

D．a medical machine

fluenzalike cases. Influenza is sometimes called "flu" or a "bad cold". He took samples from the throats of patients and in his hospital was able to find the virus of this influenza.

There are three main types of influenza virus. The most important of these are types A and B, each of them having several sub-groups. With the instruments at the hospital the doctor recognized that the outbreak was due to a virus group A, but he didn't know the sub-group. He reported the outbreak to the World Health Organization in Geneva. WHO published the important news alongside reports of a similar outbreak in Hong Kong, where about 15%～20% of the population had become ill.

As soon as the London doctors received the package of throat samples, they began the standard tests. They found that by reproducing itself at very high speed, the virus had multiplied more than a million times within two days. Continuing their careful tests, the doctors checked the effect of drugs used against all the known sub-groups of type A virus. None of them gave any protection. This then, was something new; a new influenza virus against which the people of the world had no ready help whatsoever.

Having isolated the virus they were working with, the doctors now conducted tests on some specially selected animals, which contracted influenza in the same way as human beings did. In a short time the usual sign of the disease disappeared. Theses experiments revealed that the new virus spread easily, but that it was not a killer. Scientists, like the general public, called it simply "Asian" flu.

The influenza discovered by a doctor in Singapore is caused by ______.

A．a new type of virus

B．type A virus

C．a sub-group of type B virus

D．a virus only existing in Asia

，用陈述句；打问号的地方，用疑问句。提示：Mike给Susan打电话，问她周六晚上是否有事情，他想约她去一个新开的迪斯科舞厅看看。Susan周六晚没什么特别的事并认为这是一个好主意。Mike建议去舞厅跳舞之前吃意大利馅饼(pizza)。最后Mike告诉Susan他七点去她家接她。 Susan：Hell0． Mike：Hi，Susan．It’s：me，Mike． Susan：Oh，hi，Mike． 51 ？ Mike：Oh，not bad．Say are you doing anything Saturday night？ Susan：No， 52 ．Why？ Mike：Well，do you feel like going to that new disco？ Susan：Oh。thats 53 ． Mike：Great．What about having a pizza first？ Susan：Sure，why not？ Where do you want to meet？ Mike：Ill 54 ． Susan：OK．What time？ Mike：55 ？ Susan：Fine．Well, see you at seven． Mike：OK．See you． ________________

nd where and how one entertains. In countries in which status is important, it is not advisable to invite people of different statuses to the same dinner party. Americans will often invite people to their homes. While in some societies the home is considered too private, unworthy, or embarrassingly small to serve as an appropriate forum for business entertaining. In some countries there is a " help yourself " approach to entertaining done in the home. This approach does not work well when entertaining people whose culture teaches them to wait to be asked three times before accepting an offer of food. In one instance, a Chinese guest went an entire evening without eating though he was quite hungry because he was too embarrassed to take food after only being asked to do so once. In another case, an American woman executive was being entertained at tea in London. After having the tea served, the American woman helped herself to cream and sugar rather than waiting to be served. The English woman was embarrassed by the implication that she was not serving quickly enough.

As a general rule, a small gift from your home country is appreciated. A gift that is tied to the particular interest of the individual is especially appreciated. Gifts for children are also well received. Be careful that the "hometown" gift you are bringing to Singapore was not made in Hong Kong. Because many gifts carry symbolic meanings, it is always best to seek the advice of a cultural informant before selecting gifts. The giving of large gifts, or payments for special service, should only be undertaken after consulting the legal department in the home and host culture.

It is no good inviting people of different social positions to the same party in the country where ______.

A．people don't pay any attention to your positions

B．people care much about their statuses

C．entertainment is important

D．entertainment is not advisable

】they has lost their way. They began to look for a house where they could rest for the night and perhaps they could find a guide to【22】them the right way in the morning.

After【23】for some time, they saw a farm house. When they【24】the house, they found a farmer and his wife having supper. They were asked to sit down and【25】too. As they were very hungry, they did so with【26】

While eating his supper the farmer kept his eyes on the plate without saying【27】. This made the travelers a little afraid. After supper the farmer's wife【28】them up to a store room, and showed them a【29】where they could sleep. Being【30】, they soon book off their clothes and went to bed. But the younger traveler was too【31】to go to sleep. He heard the farmer and his wife talking in the room in a【32】voice. At first he couldn't hear any words, but then he【33】heard the husband say, "Must we kill them both？" and the wife replied, "Yes, of course we must." A moment later, he again heard the farmer【34】into the room, so he quickly【35】behind the door. The door slowly【36】, and the farmer came in with a light in one hand and a long knife in the other. He went to the【37】hanging on the wall, cut off a piece, and returned as【38】as he had come. The two travelers didn't dare to go to【39】. Early in the morning they began to【40】in the dark through the kitchen, finding on the table a piece of meat cleaned and two chicks killed.

(61)

A．know

B．found

C．saw

D．heard

Whether at home or in a restaurant, meals in Brazil are sacred(神圣的) ; a time to eat, but also to share precious moments with family and friends. Now, here's a Brazilian custom I miss enormously: a decent, sit-down, leisurely-paced lunch and/or dinner. To this day, I have to keep reminding myself, "what's the big hurry？ " and I confess that one of the things I look forward to, when I go to Brazil, is the "family" meal. We have a joke that, if you see people sitting around a table in the US, having lunch for longer than 1/2 hour, it must be a business lunch. And also, sitting at your desk and eating lunch while you work is incomprehensible to most Brazilians, who leave their offices to eat with their colleagues and friends in restaurants and cafes. You guess, lunch is usually a more substantial meal than in the U.S.

(68) For lunch and, depending on the location, also dinner, Brazilians have wonderful, inexpensive restaurants where home-style. meals are sold by kilo. You just pile the food on your plate and someone will weigh it for you. The same goes for desserts. You order drinks from your waiter and pay him at the end of your meal.

Dinner is served much later than in the U. S. In the big cities, children are a common sight in restaurants at night, since Brazilians will take their kids out to dinner at all hours. As a result of this and the traditional Sunday lunches, Brazilian kids learn table manners at an early age. For many of my Brazilian friends, dinner is a lighter meal of bread, cheese and cold cuts. So expect either type of meal.

In Brazil, people usually have meals______.

A．in a hurry at restaurants

B．in a leisurely manner

C．at their desk in the office

D．for less than 1/2 hour