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【简答题】
肾脏是形成尿液的器官。每个肾脏大约有100多万个结构和功能单位，叫做肾单位，肾单位由________、肾小囊、_________组成。
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【单选题】—How about joining us in the summer camp? —I wish I could, ___________ I have to practice for the piano test.
A.
because
B.
so
C.
but
D.
although
【简答题】特别适用于患有高血压的心绞痛患者的药物是___________。
【简答题】乒乓球技术的击球基本环节? prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【简答题】—I wish I could. But I’m on my way out. I have to be in the city in an hour. —63
【单选题】根据以下内容回答题： Which is the most important invention?If you（1）toothbrush，then you agreed with42％of the people who were asked the（2）question in a sunrvey done by Massachusetts In-stitute of Technology． App...
A.
answered
B.
questioned
C.
spoke
D.
inquired
【简答题】你认为最美的是( )
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