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必需元素 essential element
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What is the essential element in the dynamics of social influence?查看材料A.The eagemess to be accepted.
B.The impulse to influence others.
C.The readiness to be influenced.
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土壤缺硼时,植物会表现出一定的病症,在有该病症的植株叶面上喷施一定浓度的含硼溶液后,该病症消失,这说明硼是植物体的()。A、大量元素,必需元素B、大量元素,非必需元素C、微量元素,非必需元素D、微量元素,必需元素
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下面的文件正确吗?为什么?用IE和本章中的解析器验证你的结论。 mes.dtd <!ELEMENT message ANY> <!ELEMENT persion (name,age?,lxfs)> <!ELEMENT lxfs (#PCDATA,tel|email)*> <!ELEMENT name (first,last)> <!ATTLIST name sex (male|female) "male"> <!ELEMENT first %pc; > <!ELEMENT last %pc;> <!ELEMENT age %pc;> <!ELEMENT tel %pc;> <!ELEMENT email %pc;> <!ENTITY % pc “(#PCDATA)”> <!ELEMENT emergency EMPTY> <!ATTLIST emergency fire CDATA #FIXED "119" police CDATA #FIXED "110" hospital CDATA #FIXED "120" > mes.xml <?xml version="1.0" encoding="gb2312"?> <!DOCTYPE SYSTEM "mes.dtd"> <message> <persion> <name sex="男"> <first>li</first> <last>xiao</last> </name> <age>25</age> <lxfs> <tel>123456</tel> </lxfs> </persion> <persion> <name> <first>wang</first> <last>xiao</last> </name> <lxfs></lxfs> </persion> <emergency fire="120" police="110" /> </message>
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在jQuery的层次选择器中,要选取紧接在element1元素后的一个element2元素,正确的是()。A、$(element1空格element2)B、$(element1element2)C、$(element1+element2)D、$(element1~element2)
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E-inverter向哪个汇流条供电?A、Essential AC busB、Essential DC busC、Essential AC busEssential DC busD、左,右主交流汇流条
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单选题在jQuery的层次选择器中,要选取紧接在element1元素后的一个element2元素,正确的是()。A
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多选题Which two are valid values for the element inside a element of a web application deployment descriptor?()ANULLBSECURECINTEGRALDENCRYPTEDECONFIDENTIAL
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