题目内容

近现代的数学教学材料有哪几类?

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Toourdelight,therewerestillsometickets______forSaturday’sperformance.

A. surrounding
B. fantastic
C. characteristic
D. available

研究发现人脑中有三个区域与记忆直接相关,它们是大脑皮层,(),和海马。

Inthisislandcountry,tourism______abouthalfofitsGDP.

A. accounts
B. generates
C. projects
D. overtakes

错觉轮廓(名词解释)

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