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【判断题】
由于半剖视图不仅充分表达了机件的内部形状，而且保留了机件的外部形状，所以它来表达内外形状都比较复杂的对称机件。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】Recently, silly Mr. Smith received an invitation to a fashionable party. He didn’t know the hostess, ______.
【多选题】下列情况中，属于发热的是( )
A.
中暑引起体温升高
B.
剧烈运动后引起体温升高
C.
皮肤鱼鳞病合并细菌感染引起体温升高
D.
肺炎引起体温升高
E.
先天性汗腺缺乏症引起体温升高
【简答题】人工饲养的“四大家鱼”指的是 青鱼 、 草鱼 、 鲢鱼 和 。
【单选题】Recently, sily Mr. Smith received an invitation to a fashionable party. He didn't know the hostess, _________.
A.
but he still decided to go to the party
B.
and he refused the invitation politely
C.
and he was sad about that
D.
and he thought it was strange
【简答题】健儿糖浆中总黄酮的测定,可用盐酸调 pH 至 ,再用醋酸乙酯萃取后测定。
【单选题】Recently, silly Mr. Smith received an invitation to a fashionable party. He didn’t know the hostess, ______.
A.
but he still decided to go to the party
B.
and he refused the invitation politely
C.
and he was sad about that
D.
and he thought it was strange
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