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【单选题】
以下关于合同无效和被撤销的法律后果的表述,错误的是()。A.
合同无效或者被撤销后，合同中独立存在的有关解决争议方法的条款亦无效
B.
合同无效或者被撤销后，因该合同取得的财产，应当予以返还
C.
合同无效或者被撤销后，有过错的一方应当赔偿对方因此所受到的损失
D.
合同无效或者被撤销后，双方都有过错的，应当各自承担相应的责任
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举一反三
【单选题】After _____ the One Foundation, Li Lianjie has helped many people who suffered from the natural disasters. [ ]
A.
found
B.
founds
C.
founded
D.
founding
【单选题】The money collected should be made good use ________ the people who suffered a lot in the earthquake. [ ]
A.
of helping
B.
to help
C.
to helping
D.
of to help
【单选题】The money collected should be made good use __________ the people who suffered a lot in the terrible flood in Beijing on the night of July 21, 2012, which caused great losses．
A.
of helping
B.
to help
C.
of to help
D.
to helping
【单选题】The money collected should be made full _____of ______ the people who suffered a lot in the earthquake.
A.
use; to help
B.
using; helping
C.
to use; to help
D.
use; helping
【单选题】Z与D、T的关系为
A.
Z=(T2-T1)/(lgD1-lgD2)
B.
Z=(T2-T1) ×(lgD1-lgd2)
C.
Z=(T2-T1)/(lgD1+lgd2)
D.
Z=(T2+T1)/(lgD1+lgD2)
E.
Z=(T2+T1) ×(lgD1+lgD2)
【判断题】临床试验是以人群为研究对象,按照随机分配的原则将试验对象分为实验组和对照组, 实验组给予某种治疗措施,对照组不给该措施或给予安慰剂,同等地观察一段时间后,评价该措施产生的效应。
A.
正确
B.
错误
【单选题】The money collected should be made good use ______ the people who suffered a lot in the earthquake.
A.
of helping
B.
to helping
C.
to help
D.
of to help
【单选题】研究某种抗肿瘤药物对某种癌症的治疗效果，拟进行随机临床试验，下列关于研究对象选择说法正确的是
A.
实验组应选择严重型病人
B.
实验组和对照组男、女人数必须相等
C.
实验组选择患病人群中有代表性的样本
D.
实验组由非患病的人组成
E.
对照组为非典型症状的病人
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