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【单选题】
氢氯噻嗪的性质为A.
与苦味酸形成沉淀
B.
与盐酸羟胺作用生成羟肟酸,再加三氯化铁呈紫堇色
C.
为淡黄色结晶性粉末,微臭
D.
在碱性溶液中可释放出甲醛
E.
乙醇溶液中加对二甲氨基苯甲醛试液显红色
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举一反三
【单选题】制约性通告要求一定范围内普遍遵守的事项,具( )性。知照性通告告知大家新情况、新事物、新决定等某件事情,需大家( ),不具法规性质。
A.
法规 周知
B.
实践 周知
C.
创新 法规
D.
周知 法规
【简答题】多母线练习项目
【单选题】Man: Can't we slow down? Don't you feel tired? Woman: Slow down? Don't you realize that it is already half past eight? Question: What does the woman's response mean?
A.
She doesn't like walking with the man.
B.
She doesn't feel tired.
C.
She is going very fast.
D.
She is anxious about not going to be on time.
【简答题】We don’t plan to cry, but it just happens. In fact when we feel sad or angry, a good cry is almost impossible to resist. But if you didn’t know what crying was, you’d have to wonder why some strong fe...
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