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【单选题】
设G= 为有向图,V={a,b,c,d,e,f},E={(a,b),(b,c),(a,d),(d,e),(f,e)}是( )A.
强连通图
B.
单向连通图
C.
弱连通图
D.
不连通图
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举一反三
【单选题】However ________, the native people do have something in common.
A.
hard
B.
ordinary
C.
different
D.
poor
【单选题】Section B Directions: In this section, you will hear four short conversations. At the end of each conversation, one question will be asked about what was said. Both the conversation and the questions ...
A.
Walk for 10 minutes after dinner.
B.
Run five miles a week.
C.
Do whatever she can to exercise.
D.
Bike for an hour every day.
【单选题】下述对上颌第一磨牙牙合面形态的描述中哪个是错误的
A.
牙合面轮廓呈斜方形
B.
近牙合边缘嵴长于远牙合边缘嵴
C.
近中颊牙合角及远中舌牙合角是锐角
D.
近中舌尖三角嵴与远中颊尖三角嵴连成斜嵴
E.
近中窝大于远中窝
【简答题】Reqirements for assignments: 1. News report: You are supposed to make a news report: 1) Your news report should be about 5-10 minutes long. 2) You should explain the new words, useful expressions and ...
【简答题】二、单项选择(共10小题,每小题1分,计10分) ( )1.—Can you give me some suggestions on reading books? —You'd better _____ in the dictionary when you meet the new words. A.look them up B.look around C.look...
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