如图，∠A+∠B+∠C+∠D+∠E+∠F的度数为_刷题宝

题干

如图，∠A+∠B+∠C+∠D+∠E+∠F的度数为（　　）

A：180°

B：360°

C：540°

D：720°

上一题下一题 0.0难度选择题更新时间:2019-06-15 07:48:21

答案(点此获取答案解析）

B

同类题1

His opinion was such a good one _________ his family all agreed to accept．

同类题2

的部分图象如图所示，则

同类题3

A wedding(婚礼) Invitation
You're invited to the wedding of Carrie and Henry at St John’s Church(教堂), on Saturday January 24th at 3:30 p.m. and dinner at the Blue Sky Restaurant, at 6:00p.m.
R.S.V.P: December 29th

Dear Joe,
   I'm so excited and I have to enjoy the news with you. Today is December 23rd, I got a very special invitation from Carrie before Christmas Day(圣诞节). Do you remember the party for the Sydney group at Henry's house? And do you remember my best friend, Carrie? Well, guess what? Carrie and Henry are getting married? It’s so romantic! Love is here!
   Carrie and Henry are having a big wedding at St. John's Church. Monica and James are going to their wedding. Oh, I can't wait to enjoy it. I got the invitation and it is for two people. Can you come to the wedding with me?
Carrie and Henry are going to Suzhou for their honey moon(蜜月). I’m buying them a camera for their wedding. But before the wedding, I'd like to get my hair cool and buy a pink dress first.
   Call me at 9:00 a.m., on Friday, January 23rd, OK?
Maria

同类题4

科学家新发现的两种分子COS和C₃O₂（均为新型可燃性碳的化合物）的结构式分别为

，则下列有关说法正确的是（）

同类题5

已知矩阵A= $(\begin{matrix} \begin{matrix} 1 & 2 & 3 \end{matrix} \\ \begin{matrix} 1 & 4 & 1 \end{matrix} \end{matrix})$ ，B= $(\begin{matrix} \begin{matrix} 1 \\ 0 \\ - 1 \end{matrix} & \begin{matrix} 1 \\ - 1 \\ 2 \end{matrix} \end{matrix})$ ，则AB=____ ．

小学学科试题库

初中学科试题库

高中学科试题库