关于APUD细胞的叙述，正确的是（） A.是一种具有分泌功能的腺上皮细胞 B.现在又

如图所示，电源电压不变，闭合开关后，当滑片P向上滑动时，则（　　）

A．电流表的示数增大，电压表的示数减小

B．电流表的示数减小，电压表的示数增大

C．电流表的示数增大，电压表的示数不变

D．电流表的示数减小，电压表的示数不变

在工程评标的初步评审因素和标准的内容中，( )主要适用于未进行资格预审的情况。

A．形式评审因素和标准

B．资格评审因素和标准

C．响应性评审因素和标准

D．采用经评审的最低投标价法的初步评审因素和标准

如图所示，弹簧秤一端固定在墙壁上，另一端与小木块A相连，当用力加速抽出长木板B的过程中，观察到弹簧秤的示数为3.0N，若匀速抽出木板B，弹簧秤的示数大小（　　）

A．一定大于3.0N

B．一定小于3.0N

C．一定等于3.0N

D．一定为零

以下关于葡萄球菌性烫伤样皮肤综合征的描述错误的有()

A．与表皮剥脱毒素有关

B．多累及出生后3个月内的婴儿

C．特征性表现是大片红斑基础上出现松弛性水疱

D．常合并口腔粘膜损害

The market investigation is indispensable to sales promotion. They are as closely related as the lips and teeth, so to speak. What you produce is for sale on the market. It would be impossible to succeed in selling a product without first investigating the market.

In the international market, goods on sale coming from different countries and suppliers are always facing keen competition. Under such circumstances, they will try everything possible to familiarize themselves with the market conditions. In making investigations, we ought to get information about what similar items the competitors are offering on the market, what prices they are quoting（报价）, what features their products have, who are their regular customers, etc. Then, how can we obtain such information? There are many channels that we can make use of in doing this sort of work. The commercial counselor's offices of our embassies stationed abroad can help us in making market investigations. Nowadays, our import and export corporations send their trade groups abroad every now and then. One of their purposes is to make market surveys on the spot.

Certainly, face-to-face talks with foreign businessmen are also important channels to get market information. The Chinese Export Commodities Fairs and some other fairs of similar nature as well as visits of foreign businessmen provide us with such opportunities. Of course, there are some other ways of making market investigations.

小题1:In making market investigations, one should ______.

A．get enough information concerned

B．advertise his products

C．produce high quality goods

D．none of the above小题2:The word "indispensable" in the first line means ______.

A．impossible

B．necessary

C．advisable

D．available小题3: Which of the following statements is NOT true?

A．The relationship between market investigation and sales promotion is just as that of the lips and

teeth.

B．It is impossible to succeed in selling a product without market investigation.

C．There are various ways of making market investigation.

D．Production goes before market investigation.小题4:All the following are channels to get market information except ________.

A．to have commercial counsellor' s office of our embassies stationed abroad

B．to promote the quality of our own products

C．to send trade groups abroad every now and then

D．to have face-to-face talks with foreign businessmen