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【单选题】
测温范围在1000°C左右时,最适宜选用的温度计是( )。A.
光学高温计
B.
铂铑10-铂热电偶
C.
镍铬-镍硅热电偶
D.
铂铑30-铂热电偶
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皮皮学刷刷变学霸
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【单选题】下列有关药物性牙龈增生特点的叙述中,哪一项正确
A.
局部刺激因素是药物性牙龈肥大的始动因素
B.
有附着丧失
C.
牙齿不发生松动、移位
D.
不波及附着龈
E.
只发生于有牙区,拔牙后增生组织自行消退
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【简答题】第一单元测验简答题.doc
【简答题】While advertising can be seen as necessary for economic growth, it is not without social costs. Unsolicited Commercial Email and other forms of spam have become so prevalent as to have become a major ...
【简答题】Besides concerns about how ads affect individuals, critics have raised ethical issues about how advertising affects society. For example, J. K. Galbraith argued that advertising creates the desires th...
【单选题】Critics have argued that an ________ commercial focus will lead researchers to ignore pure science.
A.
extreme
B.
extra
C.
excessive
D.
expensive
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