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【判断题】
无权代理订立的合同 属于无效合同。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】有关完全培养基中胎牛血清的说法正确的是
A.
血清和胰蛋白酶的作用相反
B.
胎牛血清是血清中的一种,在细胞体外培养基中可加也可不加
C.
胎牛血清也可以用合成的血清替代
D.
提供对维持细胞指数生长的激素,基本培养基中没有或量少的营养物以及低分子营养物质;某些情况下结合蛋白质能与有毒金属结合,起到解毒作用;细胞贴壁、铺展所需因子的来源
【简答题】Schools are bad businesses, whether public or private, not usually because of bad management but because of the nature of the business.
【简答题】A．Because he had run out of gas. B．Because his tires were stabbed. C．Because he bad heard a noise. D．Because he was attracted by Mrs. f Jones.
【简答题】A．Because of the bad weather. B．Because of his young age. C．Because he lost his way while crossing the ocean. D．Because he had no partner to help him.
【简答题】《灵枢·营卫生会》说：“上焦如雾，中焦()，下焦如()”。
【单选题】Why will the plane take off late?
A.
Because of bad weather
B.
Because the working conditions for Paraguay Airlines staff are poor
C.
Because the captain is four hours late for work
D.
Because there is a strike
【简答题】( )是指个体通过一定的方式把犯意向他人表露的过程。
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