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【多选题】
在正常使用条件下,房屋建筑工程的最低保修期限,正确的是()
A.
屋面防水工程、有防水要求的卫生间、房间和外墙面的防渗漏,为5年
B.
供热与供冷系统,为2个采暖期、供冷期
C.
电气管线、给排水管道、设备安装为2年
D.
装修工程为1年
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参考答案:
举一反三
【单选题】抗热、弱酸、弱碱的结缔组织纤维是 ( ) 。
A.
胶原纤维
B.
肌原纤维
C.
弹性纤维
D.
网状纤维
【单选题】纯化酶制剂时,酶纯度的主要指标是?
A.
蛋白质浓度
B.
酶量
C.
酶的比活力
D.
酶的总活性
【简答题】We sometimes hear the sad news of suicide in universities. Is there any way to pr this from happening again? In this section, you are asked to write an essay on the best way to pr suicide in...
【单选题】Sometimes he found _______very hard to fall asleep at night, so he went to see the doctor.
A.
him
B.
this
C.
that
D.
it
【单选题】听力原文: Men sometimes say: 'We are better and cleverer than women. Women never invent things. We do.' It is true that men have invented a lot of useful things: The alphabet, machines, rockets, and guns,...
A.
Men are cleverer than women.
B.
It was the women's invention that changed history.
C.
Life was difficult and dangerous in ancient times.
D.
Women's work was at home.
【单选题】纯化酶制剂时,酶纯度的主要指标是:
A.
蛋白质浓度
B.
酶量
C.
酶的总活性
D.
酶的比活性
E.
酶的理化性质
【单选题】纯化酶制剂时,酶纯度的主要指标是
A.
蛋白质浓度
B.
酶量
C.
酶的总活性
D.
酶的比活性
【简答题】()暖气系统()床头灯暖气系统 ( )床头灯
【单选题】听力原文: Men sometimes say: 'We are better and cleverer than women. Women never invent things. We do.' It is true that men have invented a lot of useful things: the alphabet, machines, rockets, and guns,...
A.
Men are cleverer than women.
B.
Life was difficult and dangerous in ancient times.
C.
It was the women's invention that changed history.
D.
Women's work was at home.
【单选题】《登高》一诗写秋景,但直到()才出现“秋”字。
A.
首联
B.
颔联
C.
颈联
D.
尾联
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