is absolutely free but is of important benefit to aerial advertising. Aerial advertising can be done throughout the entire year, but the warmer months are preferred. Aerial advertising has certain restrictions, yet these restrictions are fewer than the other means of advertising.

　　1．The underlined word "downside" in the second paragraph can be replaced by "________"．

　　A．strength　　　　　　 B．weakness

　　C．purpose D．instruction

　　解析：选B　词义猜测题。依据第二段内容推断，downside和upside相呼应，分别指收音机广告的弊端和优势。故B项正确。

　　2．Which of the following is the author probably in favor of?

　　A．Radio advertising. B．Television advertising.

　　C．Aerial advertising. D．Billboard advertising.

　　解析：选C　推理判断题。依据最后一段中的"tend to remember aerial advertising at a high rate""absolutely free""benefit""throughout the entire year"，特别是最后一句可推断，作者对aerial advertising赞美有加。

　　3．What does the passage mainly tell us?

　　A．Different advantages of advertising.

　　B．Advantages overpass weaknesses.

　　C．Various weaknesses of advertising.

　　D．Different types of advertising.

　　解析：选D　主旨大意题。本文既提到各种形式的广告的优势又提到其弊端，因此，A、C两项作为标题太片面，B项不符合文意，D项涵盖最全面。

　　4．How many types of advertising are mentioned in the passage?

　　A．4. B．5.

　　C．6. D．7.

　　解析：选D　细节理解题。由文中第一段最后两句可知。

　　Ⅲ.任务型阅读

　　The concept of privacy in our society is something relatively modern - a term publicly talked about only since the recent Reform and Opening up.

　　Before this historical change, China was under the influence of ultra­left thought, where everything related to "self" was thought as backward, shameful, even against the theme of communism, since they might be in contradiction to public interest. Needlessly to say, "privacy" which had almost the same meaning for shamefulness or dark soul.

With the development of the commodity economy, China is increasingly involved in international affairs. Therefore, Chinese gradually realized that privacy is actually in everyone's