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【单选题】
空心阴极灯的选择是根据( )。A.
空心阴极灯的使用电流
B.
被测元素的浓度
C.
被测元素的性质
D.
被测元素的种类
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知识点：
皮皮学刷刷变学霸
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【简答题】慢性喘息性支气管炎见（ ）。
【简答题】根据所给单词完成句子。 1. He says he ____ (be) tired. 2. He said he ____ (be) sorry. 3. She said she ____ ____ (wait) for her mother. 4. The teacher told us that the earth ____ (move) around the sun.
【单选题】下列各项，关于喘息性慢性支气管炎与支气管哮喘的鉴别诊断叙述错误的是
A.
喘息性慢性支气管炎咳嗽、咳痰症状突出
B.
支气管哮喘常有个人或家族过敏史
C.
喘息性慢性支气管炎使用解痉药有效
D.
支气管哮喘使用解痉药有效
E.
两者可相兼为患
【单选题】______, we decided not to disturb him.
A.
Tired although he was
B.
Tired as he was
C.
Tired though was he
D.
As tired he was
【单选题】She is very _________ upsetting her husband, as he has a violent temper.
A.
tired of
B.
wary of
C.
keen on
D.
confined to
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