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【多选题】
广告的功能包括（ ）。A.
信息传播功能
B.
经济功能
C.
需求功能
D.
社会功能
E.
美学功能
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举一反三
【多选题】下列关于存水弯的说法,正确的是( )?
A.
存水弯中水封高度一般为 50-100mm
B.
阻止排水系统中的有毒有害气体或虫类进入室内
C.
存水弯的类型主要有 S型和P型
D.
存水弯是排水附件
【简答题】Every day, it is easy to see advertisements in English all around us. Look at your own bags clothes, and at the bags and clothes of your classmates. How many different advertisements with English word...
【多选题】关于存水弯,以下说法正确的是( )。
A.
常见的存水弯型式有S型、U型、P型等
B.
水封即排水栓
C.
存水弯的作用是防治排水系统中的异味气体通过受水器进入室内
D.
水封的稳定性与通气管无关
【单选题】In order for a work to be protected by copyright, the original work must:
A.
have the symbol “©” or the word “copyright” written on it.
B.
name the copyright owner.
C.
state the date when the work was first published.
D.
None of the above.
【简答题】下列病原菌中能产生血浆凝固酶的是
【简答题】Every day，it is easy to see advertisements in English all around us．Look at your own bags and clothes，and at the bags and clothes of your classmates．How many different advertisements can you see which...
【简答题】Name or symbol on a product which means it cannot be used by another producer is called ___________.
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