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【简答题】
(x-y) 2 2xy - x 2 - y 2 2xy ．
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皮皮学刷刷变学霸
举一反三
【单选题】Nobody believes he made such a foolish mistake. People say he is very ( ).
A.
accurate
B.
actual
C.
experience
D.
career
【单选题】He made such a ______ contribution to the university that they are naming one of the new buildings after him.
A.
genuine
B.
minimum
C.
modest
D.
generous
【简答题】A．He knew this beforehand. B．He judged from time zones. C．He made such a judgment so as to Wang. D．He gave such an explanation because he yzed the speeds of sound and electricity.
【简答题】A．He knew this beforehand. B．He judged from time zones. C．He made such a judgment so as to Wang. D．He gave such an explanation because he yzed the speeds of sound and electricity.
【简答题】以下常作为降压药使用的药物是() A乙酰唑胺 B呋塞米 C氨苯蝶啶 D氢氯噻嗪 E以上都不是
【单选题】It’s impossible for him to escape ______ this time; he made such a big mistake.
A.
punishing
B.
being punished
C.
to punish
D.
having punished
【单选题】美国斯坦福大学的研究人员对130名同时患有血脂异常、高血压(并未服用降压药)的患者进行了长达12年的试验。在试验中，研究人员将这130名研究对象随机分成人数相等的两组，并让其中的一组研究对象服用松树皮提取物(每天服用的剂量为200毫克)，另一组研究对象服用安慰剂。在这12年中，研究人员每6周测量1次研究对象的血压、血糖、胆固醇及C、反应蛋白的水平。试验结果显示，服用松树皮提取物人员的上述各项指标与...
A.
两组试验患者仅人数相等，其血压和血脂等的原始指标差异较大
B.
对照组服用安慰剂，对高血压和高血脂患者有心理暗示作用
C.
12年的实验时间太长，这有可能使一些重要的实验数据失真
D.
参加实验的患者人数仅130人，样本太小，代表性不够
【简答题】He made such a ________ contribution to the university that they are naming one of the new buildings after him. A) genuine B) minimum C) modest D) generous
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