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【单选题】
1847 年 10 月 1 日,女天文学家麦克尔因为( )而受到了科学界的注意。A.
发现了一颗恒星
B.
发现了一颗彗星
C.
发现了一颗行星
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【单选题】Read the introductory paragraph and pick the best thesis statement from the choices given below. : In many countries, families may live in the same geographic region for generation after generation, p...
A.
Geographic mobility is an essential ingredient of the American dream of material success and independence.
B.
Although this mobility has been essential to the economic growth of the country, it has led to many problems.
C.
Geographic mobility has contributed to a decline in traditional family relationships and a growing sense of alienation between the young and the old.
【简答题】Before having heard from Mao, I had considered myself at worst lightly singed by the last embers of Asian alienation. Indeed, given all the incredibly hip Asian artists and fashion designers and so fo...
【多选题】关于胃壁肌层的描述,正确者
A.
由内斜、中环外纵3层平滑肌构成
B.
由内环、外纵2层平滑肌构成
C.
环形平滑肌在幽门处增厚，形成幽门括约肌
D.
纵形平滑肌在幽门处增厚，形成幽门括约肌
E.
幽门括约肌处的黏膜环形隆起称幽门瓣，可防止小肠内容物反流
【单选题】当空气密度ρ α 大于气体的密度ρ，且气体由位于低处的1断面流向2断面时，气体总流能量方程中的 代表（）
A.
单位重量气体在流动过程中损失的位能；
B.
单位重量气体在流动过程中增加的位能；
C.
单位体积气体在流动过程中损失的位能；
D.
单位体积气体在流动过程中增加的位能。
【简答题】The theme of this story is everybody's guess. So what is yours? Attitudes towards interracial marriages (racism)? Man-woman relationships (feminism)? The unreasonable nature of women? The arrogance of...
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