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【简答题】
物种（species）是由许多群体组成的 （与其他单元生殖上隔离），它在自然界中占有一定的生殖位置（Mayr，1982）。
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皮皮学刷刷变学霸
举一反三
【单选题】运行结果:()。
A.
Array ( [0] => php [1] => array [2] => example [3] => array )
B.
Array ( [0] => php [1] => array [2] => example )
C.
Array ( [1] => array [3] => array )
D.
Array ( [0] => php [2] => example [3] => array )
【简答题】涉及现金与银行存款之间相互收付的业务应填制什么记账凭证,为什么?
【简答题】'; $arr2 = array_ unique ($arr1); print_r($arr2); $arr3 = array_splice($arr2,0); print_r($arr2); ?> 运行结果是什么?
【判断题】“The U.S. constitution” is not a good title for an essay, because it is too general.
A.
正确
B.
错误
【多选题】Academic writing is relatively formal. In general this means that in an essay you should avoid the following:
A.
colloquial words and expressions (such as "stuff", "a lot of", "thing", "sort of")
B.
abbreviated forms (such as "can't", "doesn't", "shouldn't”)
C.
two word verbs (such as "put off", "bring up”)
D.
asking questions (such as “So why is this?”)
【简答题】'; $arr2 = array(0=>'php',1=>'is',the=>'the',str=>'best'); print_r($arr2); echo ''; $arr3[0] = 'this'; $arr3[1] = 'is'; $arr3[2] = 'one-dimensional'; $arr3[3] = 'array'; print_r($arr3); ?> 运行结果是什么?
【判断题】An outline is a general plan of what you are going to write, so it is not important for writing a cause-and-effect essay.
A.
正确
B.
错误
【简答题】转炉炼钢对于入炉铁水的有( )、( )、( )等三方面的要求。
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