A:a;a
B:a;the
C:the;the
D:the;a
元代加强了对疆域的有效管理,其中管辖西藏的机构是( )
已知△ABC的三个内角A,B,C所对的边分别为a,b,c. m→=(1,1) , n→=(32−sinBsinC,cosBcosC) ,且 m→⊥n→ .
(Ⅰ)求A的大小;
(Ⅱ)若a=1, b=3c .求S△ABC.
为了保护环境,生活中你不会采取下列哪种方式( )
省略号的一般作用有:A表思维跃进;B表话未说完;C表心情矛盾;D表静默或思索。
试指出下列句子中省略号的作用。
①孔乙己睁大眼睛说,“你怎么这样凭空污人清白……”____
②“窃书不能算偷……窃书!……读书人的事,能算偷么?”____
③“读过书,……我便考你一考。茴香豆的茴字,怎样写的?”____
④“这……下回还清罢。这一回是现钱,酒要好。”____
阅读理解
Hello, my name is Amy. I get up at six forty. I have breakfast at 7:10. And then I go to school. I have four classes in the morning and two classes in the afternoon. I have lunch in the canteen at school. I go home at four fifty. I have dinner at seven o'clock. I go to bed at nine thirty.