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【简答题】
简述会展市场的经济特征。
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】有一个两位数，它比45小，是6的倍数，它的2倍大于60，但它不是4的倍数，这个数是（ ）。
【判断题】The basal layer of the epidemis contains special cells called melanocytes, which contains a blac k pigment called melanin.
A.
正确
B.
错误
【简答题】什么是荷载效应组合？有地震作用组合和无地震作用组合表达式是什么？
【单选题】Which layer of the epidermis contains special cells called melanocytes.
A.
stratum basale
B.
stratum granulosum
C.
stratum lucidum
D.
stratum corneum
【单选题】The policemen _____ the murderer. [ ]
A.
are still searching
B.
are searching still
C.
still search
D.
search still
【简答题】( ) The sun negatively affects special cells that protect the body. This is erous because those cells are very important to the immune system, and they fight infections.
【简答题】大圆半径是6厘米，小圆的半径是4厘米，大圆的周长与小圆周长的最简整数比是______，大圆面积与小圆面积的最简整数比是______．
【单选题】The firemen were ______ the lost people. [ ]
A.
looking
B.
searching
C.
searching for
D.
finding
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