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【单选题】
贵州的主要矛盾是()。
A.
贫困和落后
B.
发展慢、活力差
C.
发展不平衡
D.
人民群众日益增长的物质文化需求同落后的社会生产之间的矛盾
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【单选题】It puzzles the scientists _____ some mammals produce their young _____ others lay eggs.
A.
that; while
B.
what; while
C.
that; as
D.
what; as
【判断题】红船精神包括:敢为人先的首创精神,坚定理想、百折不挠的奋斗精神,立党为公、忠诚为民的奉献精神。其中,“立党为公、忠诚为民的奉献精神”是红船精神的本质。
A.
正确
B.
错误
【判断题】立党为公、忠诚为民的奉献精神,是红船精神的灵魂,也是党的根本政治立场。
A.
正确
B.
错误
【判断题】蓝宝石的颜色成因,主要认为是Fe2+—Ti4+间的电荷转移致色。
A.
正确
B.
错误
【单选题】按楼体结构形式分类,以下哪种建筑结构不属于钢筋混凝土结构?
A.
钢结构
B.
框剪结构
C.
剪力墙结构
D.
框架结构
【判断题】“红船精神”指的是开天辟地、敢为人先的首创精神,坚定理想、百折不挠的奋斗精神,立党为公、忠诚为民的奉献精神。
A.
正确
B.
错误
【判断题】Whil taking notes, "×" always stands for "false".
A.
正确
B.
错误
【判断题】Whil taking notes, we can use the upright arrow ( ↑ ) to indicate "increase". ( )
A.
正确
B.
错误
【单选题】There are few things worse for a new parent than listening to a baby scream in hunger while a bottle of formula slowly warms up in a bowl of hot water. So why not just pop the bottle in the microwave ...
A.
Babies generally refuse to eat formula that has been heated in a microwave.
B.
Microwave radiation might break down some of the proteins in formula that are vital to a baby's health.
C.
Different microwaves use different amounts of power, and consequently some models could heat a bottle to scalding temperature faster than others.
D.
Parents cannot be expected to consistently even out the temperature of a microwaved bottle by shaking it vigorously before giving it to the baby.
E.
Once formula has been heated, any leftover formula should be discarded, because otherwise the formula could spoil between feedings and make the baby sick.
【判断题】一个总体可以有多个参数,从不同方面反映总体的综合数量特征。常用的总体参数有 : 总体平均数、总体比例、总体方差、总体标准差等。
A.
正确
B.
错误
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