判断矩阵怎么构造

happened a them said strange they to thing.连词成句 人类社会和自然界对立统一的基础是什么 I like (.) summer best,I can swim in(.) sea think,draw,run,beyin,drink的过去式急 know 是不是瞬间动词?Susan and Jenny are pen pals.They _________ each other for about two years.A) knew B) had known C) will know D) have known我选的是A.可是答案是D.所以求解释,know是瞬间动词还是延续性动词? know是非延续动词即瞬间动词吗? know是瞬时动词吗? 聚精会神打一个古今文学名著名 (3/3)G I WAS REALLY TIRED I think I was really tired 什么意思 I was very tired根据答句写问句 已知{an}是各项均为正数的等比数列,公比q≠1,判断a1+a8和a4+a5的大小 She prefers_____(swim) to _______(run) in summer.用括号里的词的正确形态填空 verse 和 poem 有什么区别啊 一些英语问题.希望大家可以给予我正确答案,并告诉原因.- Do you like a blue bike for your birthday - But l prefer _____green one.A ,the B ./ C.al've never heard _____thing.A.so a strange.B.so strange a.C.strange so a.D.a so strang verse 和poem,verse 和stanza分别有什么区别? 请问,poetry 和 poem有什么区别? I can help you改为一般疑问句____you____ ____ Ican help you.改为一般疑问句. something happened to something happened to something happened to happened yesterday something Helen to组成什么句子 Let me help you to cross the toad.(改为反意义疑问句) let me help you,___ ____ ___?(完成反意疑问句)两个空，不是三个空。 奥运会运动员入场的时候,有至少五个国家的国旗左上角有英国的米字旗,为什么?是不是因为当初英国曾经在那些国家殖民过?这个，请问一下现在既然他们已经是一个拥有完整主权的国家，为 We like swim in summer改成正确的句子 ( )in summer?We can swim in summer.填空题 英语考什么证书有说服力想趁在校时间考有关英语的证书,但是不知道考什么比较有说服力,比如说托福,托业,BEC,GRE,都有什么优点,如果想要进外企，那个更好呢？ 想考英语翻译证（以前没考过）,不知道应该从何做起.另外如何快速提高办公室英语能力? 句型转换:Can I help you I can help you.改为一般疑问句