【单选题】— Are you pleased with what he has done? — It couldn’t be ________. He must have put a lot of effort into his work.
【简答题】He has done a lot of preparation for two weeks .请将此句变为一般疑问句,并就划线部分提问。
【简答题】在哈希函数h(key)=key%m中,m值最好取_____。
【简答题】Tom Brown is well known in this city. ___1____ ,he has been a member of the city council for many years. ____2____ ,he has done a lot in promoting general education in the locality. ____3____, he is ...
【单选题】()指运用已有的科学知识和手段,充分掌握和利用市场调查所得到的资料,并且对影响市场需求的各种因素进行认真的分析和估计,从而对未来潜在市场的需求潜量进行推断和估计。
【简答题】函数array_key_exists的功能是检查给定的_________ 或_________是否存在数组中。
【简答题】建立数组 $arr=array("key"=>array("key2"=>"value")); ,使用[填空(1)]访问二维数组“key2”元素 。
【简答题】Tom Brown is well known in this city. _____, he has been a member of the city council for many years. _____, he has done a lot in promoting general education in the locality. _____, he is a football p...
【单选题】Supply suitable conjunct in each blank to connect the sentences concerned:Tom Brown is well known in this city. First he has been a member of the city council for many years. ____________,he has done ...