租赁合同是实践性合同。 （ ）

【名词&注释】

红细胞(erythrocyte)、实践性合同(practice contract)、大分子蛋白质(molecular protein)、不一定(not always)、过去完成式、评论界

[判断题]租赁合同是实践性合同。 （ ）

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学习资料：

[单选题]It is clear from the passage that Chevies refer to ______.

A. the murdered couple
B. elderly owners of cars
C. computers
D. Chevrolets

[单选题]Critics of Wallerstein's study ______.

A. think the number of families studied was too small
B. think that all the factors were considered
C. think that divorce is not painful
D. think that healthy families do not have problems

[单选题]We ______our dinner when a policeman came to the door.

A. just had
B. have just had
C. just have had
D. had just had

[多选题]原尿与血液在成分上的主要差别是原尿中不含有 （ ）

A. 大分子蛋白质
B. 红细胞
C. 葡萄糖 ~~
D. 尿素
E. 氨基酸

[单选题]哪一神经损伤后患者出现翼状肩( )

A. 腋神经
B. 胸背神经
C. 胸长神经
D. 肌皮神经
E. 以上都不对

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