已知D=[2 -1;-1 3],L1的协因数为2/3,则PL1=(),P l2 =()
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2020年1月8日, 习近平在“不忘初心、牢记使命”主题教育总结大会发表的重要讲话中提到:“与时俱进不要当口号喊,要真正落实到思想和行动上,不能做‘不知有汉,无论魏晋’的桃花源中人!”、“ 温室里长不出 ,懈怠者干不成。”
(5)After-class activityRead the following sentences for workplace communication in Column A and match each one with its Chinese version in Column B.
There are three parts to the IELTS Speaking test. Part 3 is an ___ discussion
A key component is demonstrating a range of grammar. An example is complex sentences, these often contain___ bits of information