要创设有效的课堂导入，导语的设计需短小精悍，时间过长就会喧宾夺主。

某大医院一位眼科博士，因急于为两位病人进行角膜移植，而又一时找不到现成的供体角膜，所以在太平间"盗取"了一病死者的尸体角膜用于移植，获得成功。此事后被死者家属发现，以未经本人生前及死者家属知情同意，严重损害了死者及其家属的权益为由，将该医生告上了法庭。经调查得知：接受眼角膜移植手术的两位病人与该医师无特殊关系；死者生前与该医师无利害冲突；该医师也未由此谋取分文私利，只是不了解有关要求。

该医师的行为出现了动机与目的、手段与效果严重背离的问题，其主观上的根本原因在于（）。

A.对患者知情同意权的无知

B.对医学创新的期望值很高

C.想以此改变人们的陈旧观念

D.想为科室创收作贡献

E.以上都不对

在PowerPoint 2000中，如果想在切换幻灯片时添加声音，可以在______菜单下的“幻灯片切换”命令中设置。

A．格式

B．编辑

C．幻灯片放映

D．插入

PTN设备的单板类型有（）。

A.处理类单板

B.接口类单板

C.交叉及系统控制类单板

D.电源及风扇类单板

民族区域自治是党运用马克思主义解决我国民族问题的基本政策，是国家的一项（）。

A、基本政治制度

B、具体措施

C、基本国策

Advertisers tend to think big and perhaps this is why they’re always coming in for criticism. Their critics seem to resent them because they have a flair for self-promotion and because they have so much money to threw around. "It’s iniquitous," they say, "that this entirely unproductive industry (if we can call it that) should absorb millions of pounds each year. It only goes to show how much profit the big companies arc making. Why don’t they stop advertising and reduce the price of their goods After all, it’s the consumer who pays."
The poor old consumer. He would have to pay a great deal more if advertising didn’t create mass markets for products. It is just because of the heavy advertising that consumer goods are so cheap. But we get the wrong idea if we think the only purpose of advertising is to sell goods. Another equally important function is to inform. A great deal of the knowledge we have about household goods derives large from the advertisements we read. Advertisements introduce us to new products or remind us of the existence of ones we already know about. Supposing you wanted to buy a washing-machine, it is more than likely you would obtain details regarding performance, price, etc. from an advertisement.
Lots of people pretend that they never read advertisements, but this claim may be seriously doubted. It is hardly possible not to read advertisements these days. And what fun they often are, too] Just think what a railway station or a newspaper would be like without advertisements. Would you enjoy gazing at a blank wall or reading railway by-laws while waiting for a train Would you like to read only closely-printed columns of news in your daily paper A cheerful, witty advertisement makes such a difference to a drab wall or a newspaper full of the daily ration of calamities.
We must not forget, either, that advertising makes a positive contribution to our pockets. Newspapers, commercial radio and television companies could not subsist without this source of revenue. The fact that we pay so little for our daily paper, or can enjoy so many broadcast programs is due entirely to the money spent by advertisers. Just think what a newspaper would cost if we had to pay its full price !
Another thing we shouldn’t forget is the "little ads", which are in virtually every newspaper and magazine. What a tremendously useful service they perform for the community ! Just about anything can be accomplished through these columns. For example, you can find a job, buy or sell a house, announce a birth, marriage or death in what used to be called the "hatch, match and dispatch" columns; but by far the most fascinating section is the personal or "agony" column. No other item in a newspaper provides such entertaining reading or offers such a deep insight into human nature. It’s the best advertisement for advertising there is!

An argument made by critics of advertisers is that______

A. advertising makes contribution to the pockets. B. readers claim they never read advertisements.
C. advertising may entail a price rise for goods. D. little ads invariably appeal to baser instincts.