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【多选题】
以下哪些(个)属性是拓扑属性?A.
面的连接性
B.
点在多边形边界上
C.
线的长度
D.
多边形的面积
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反馈参考答案：
举一反三
【单选题】Firms in an oligopoly market tend to be ____ and have ____ barriers to entry.
A.
large (relative to the total market); high.
B.
large (relative to the total market); low.
C.
small (relative to the total market); high.
D.
small (relative to the total market); low.
【简答题】2-TA-1 You will hear 8 sentences. After each sentence, there will be a pause of ten seconds. During the pause, circle the word you hear in each sentence. The sentences will be spoken only once.
【简答题】西欧中世纪学校教育中的 “七艺”是文法、修辞学、辩证法、算术、 、天文、音乐等。
【单选题】Look at the four squares A,B,C and D, which indicate where the following sentence could be added to the passage. Where would the sentence best fit? Like Raven, Coyote is a master transformer whose mis...
A.
Square Ａ.
B.
Square Ｂ.
C.
Square Ｃ.
D.
Square Ｄ.
【简答题】1-TA-1 You will hear 8 sentences. After each sentence, there will be a pause of ten seconds. During the pause, circle the word you hear in each sentence. The sentences will be spoken only once .
【单选题】Which of the following steps of the market screening process examines the effects of country image on market-entry decisions?
A.
identification of basic appeal of a market
B.
measurement of market or site potential
C.
assessment of the national business environment
D.
selection of the market or site
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