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问题 多项选择题

砍剪树木时，下面（）说法是正确的。

A.应防止马蜂等昆虫或动物伤人。

B.上树时，不应攀抓脆弱和枯死的树枝，并使用安全带。

C.安全带不得系在待砍剪树枝的断口附近或以上。

D.不应攀登已经锯过或砍过的未断树木

答案

参考答案：A, B, C, D

填空题

36月=______年．
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单项选择题

WAP uses (71) , which includes the Handheld Device Markup Language (HDML) developed by Phone.com. WML can also trace its roots to eXtensible Markup Language (XML). A markup language is a way of adding information to your (72) that tells the device receiving the content what to do with it. The best known markup language is Hypertext Markup Language. (73) HTML, WML is considered a meta language. Basically, this means that in addition to providing predefined (74) , WML lets you design your own markup language (75) . WAP also allows the use of standard Internet protocols such as UDP, IP and XML.

A．tags

B．certificates

C．messages

D．authentication codes
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