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搜题
【判断题】
心脏壁的心肌膜是由2层走向不同的心肌纤维交错排列而成。()A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】为了保证装配要求,两零件同一方向只能有 ___ 对接触面。
【简答题】为了保证装配要求,两零件同一方向只能有 ( )接触面。
【单选题】According to the author's division of human beings in paragraph 3, how does the second class feel about vocations?
A.
They welcome the holidays and regard them as a another way to enjoy life other than their work.
B.
They think these holidays are disturbing since they can not continue their work.
C.
They fine them relaxing after long hours of work although they liked their work so much.
D.
They believe they can absorb more work-related information while they take the holidays.