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【单选题】
以下网页制作说法中，错误的是（）。A.
获取WWW服务时，需要使用浏览器作为客户端程序。
B.
WWW服务和电子邮件服务是Internet提供的最常用的两种服务。
C.
网站就是一系列逻辑上可以视为一个整体的页面的集合。
D.
所有网页的扩展名都是.htm。
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反馈参考答案：
举一反三
【简答题】排气温度传感器用来检测（）；用以判断（）。
【单选题】Today the forests are getting fewer and fewer. We must _______ down too many trees.
A.
keep people from cutting
B.
prevent people from cutting
C.
stop people cutting
D.
all the above
【单选题】Today, the forests have almost gone. People must ______ down too many trees.
A.
stop from cutting
B.
be stopped to cut
C.
be stopped from cutting
【单选题】Today, the new forests along the Hah River play an important role in regulating the region's climate.
A.
Y
B.
N
C.
NG
【简答题】In 1620, about half the USA was covered by forests． Today the forests have almost gone． A lot of good land has gone with them, leaving only sand． China doesn’t want to copy the USA’s example． We’re pl...
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