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【判断题】
除钢铁以外的金属及合金称为有色金属
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】《中国药典》中规定的盐酸普鲁卡因注射中对氨基苯甲酸的检查是用
A.
紫外分光光度法
B.
高效液相色谱法
C.
薄层色谱法
D.
化学反应法
E.
灵敏度法
【多选题】国道、城市主干路、城市次干路、省道、县道、其中等级最高的是________,最低的是________
A.
国道
B.
省道
C.
主干路
D.
次干路
【单选题】If he _____ free today, we _______ him to Beijing.
A.
were; would have sent
B.
had been; would have sent
C.
were; would send
D.
had been; would send
【简答题】If he were free today today, we——(send)him to Beijing. If he knew her, he——-(greet) her.
【单选题】If he____ free today, we would have sent him to Beijing.
A.
was
B.
were
C.
will be
【简答题】II . 根据汉语意思完成英语句子,每空一词。 1. 如果你叫他帮你,他不会拒绝你的。 If you ask him to help you, he won’t _______ _______ _______. 2. 我今天有空,我可以帮忙。 I’m free today and I can _______ _______. 3. 她希望很快收到儿子的信。 She hopes to _______...
【多选题】有关货架数量配置的说法,正确的有()
A.
货物存储量随季节变化波动,规划时要考虑到高峰库存的要求
B.
随着业务量的增长也需考虑库存量增大的问题
C.
一般货架层数为3-5级
D.
货架层数太多会增加叉车取货难度
【单选题】一元线性回归模型与多元线性回归模型的区别在于只有一个(    )。
A.
因变量    
B.
自变量
C.
相关系数r    
D.
判定系数r 2
【单选题】听力原文:W: I wonder if you have free to go to the food store today. We have run out of bread. M: You'd better do that. I haven't got my report ready yet. But my boss needs it tomorrow. Q: Why can't the m...
A.
He has some work to do.
B.
The woman is going to do that.
C.
His boss is coming to see him.
D.
He doesn't feel like eating any bread today.
【判断题】社会阶层是一种社会现象,一切人类社会都存在着社会阶层。
A.
正确
B.
错误
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