问答题

“子弹论”或“皮下注射论”反映了什么样的大众传播效果观?

【参考答案】

子弹论又称“皮下注射论”，是指20世纪初至30年代末即传播效果研究初级阶段的传播效果理论。在这个时期，人们普遍认为大众传......

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阅读下列短文，从每题所给的四个选项（[A]、[B]、[C]和[D]）中，选出最佳选项，并在答题卡1上将该项涂黑。AAlmost every family buys at least one copy of a newspaper every day. Some people subscribe（订阅）to as many as two or three newspapers. But why do people read newspapers?Five hundred years ago, news of important happenings-battles lost and won, kings or rulersoverthrown（推翻）or killed-took months and even years to travel from one country to another.The news passed by word of mouth and was never accuratE.Today we can read in our newspapers of important events that occur in far away countries on the same day they happen.Apart from supplying news from all over the world, newspapers give us a lot of other usefulinformation. There are weather reports, radio, television and film guides, book reviews, storiesand, of course, advertisements. The bigger ones are put in by large companies to bring attention to their products. They pay the newspapers thousands of dollars for the advertising space, but it is worth the money, for news of their products goes into almost every home in the country. For those who produce newspapers, advertisements are also very important. Money earned from advertise- ments makes it possible for them to sell their newspapers at a low price and still make a profit.Newspapers often have information on gardening, cooking and fashion as well as a small butvery popular section on jokes and cartoons（漫画）．56. What is the text about?[A] Advertisements are the most important part in newspapers.[B ]It introduces newspapers past and today and its contents.[C] There is a lot of useful information on newspapers.[D] People like newspapers very much.

A.The
B.
Apart
C.
Newspapers
D.
56.
E.
[B
F.
[C]
G.
[D]
H.

单项选择题

CO通过呼吸膜的速率比O快的主要原因是

A.原理为易化扩散
B.分压差比O大
C.分子量比O大
D.分子量比O小
E.在血中溶解度比O大

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