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【判断题】
钢结构材料生产过程是：冶炼→浇铸→热处理→扎制
A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
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皮皮学刷刷变学霸
举一反三
【单选题】--- Lucy didn't come to school, did she? -_______. She was ill and stayed in bed,
A.
Yes, she did
B.
No, she did
C.
No, she doesn't
D.
No, she didn't
查看完整题目与答案
【多选题】生物样品测定前要进行预处理是因为：
A.
生物样品中被测物浓度低
B.
成分复杂干扰多
C.
药物在体内以多种形式存在
D.
蛋白质对测定有干扰
E.
待测物的浓度低
查看完整题目与答案
【简答题】‘一Lucy didn't come to school, did she?·一_________. She was ill and stayed in bed,A. Yes, she did B. No, she did C. No, she doesn't D. No, she didn't
查看完整题目与答案
【多选题】RNA 聚合酶 II 的 TATA 盒( )。
A.
位于 –37 ～ –32 区域
B.
又称 Goldberg-Hogness 盒
C.
位于 –25 ～ –30 区域
D.
与 Pribnow 盒相似
查看完整题目与答案
【简答题】液氯工段关键装置（）。重点部位：液氯罐区、液氯充装。
查看完整题目与答案
【单选题】— Didn't they come to the party last week? — Yes. They didn't want to come with us at first,   but then we ________ persuade them. [     ]
A.
would
B.
could
C.
were able to
D.
had to
查看完整题目与答案
【单选题】液氯在加压输送时液氯为（）。
A.
过冷液氯
B.
过热液氯
C.
饱和状态液氯
查看完整题目与答案
【简答题】‘ --- Lucy didn't come to school, did she?---_______. She was ill and stayed in bed.A. Yes, she did B. No, she did C. No, she doesn't D. No, she didn't
查看完整题目与答案
【单选题】关于TATA盒叙述错误的是
A.
看家基因不具有TATA盒结构
B.
是II类启动子的组成部分
C.
受阻遏蛋白调控
D.
与转录的精确起始有关
E.
位于转录起始点上游
查看完整题目与答案
【单选题】某厂在充装液氯时没有洗罐，罐内残留杂质发生化学反应，造成钢瓶爆炸，液氯泄漏扩散，导致多人死亡和中毒。根据《企业职工伤亡事故分类》（GB6441-86），这起事故的类别为（ ）。
A.
容器爆炸
B.
中毒窒息
C.
化学爆炸
D.
其他伤害
查看完整题目与答案
相关题目：
【单选题】--- Lucy didn't come to school, did she? -_______. She was ill and stayed in bed,
A.
Yes, she did
B.
No, she did
C.
No, she doesn't
D.
No, she didn't
查看完整题目与答案
【多选题】生物样品测定前要进行预处理是因为：
A.
生物样品中被测物浓度低
B.
成分复杂干扰多
C.
药物在体内以多种形式存在
D.
蛋白质对测定有干扰
E.
待测物的浓度低
查看完整题目与答案
【简答题】‘一Lucy didn't come to school, did she?·一_________. She was ill and stayed in bed,A. Yes, she did B. No, she did C. No, she doesn't D. No, she didn't
查看完整题目与答案
【多选题】RNA 聚合酶 II 的 TATA 盒( )。
A.
位于 –37 ～ –32 区域
B.
又称 Goldberg-Hogness 盒
C.
位于 –25 ～ –30 区域
D.
与 Pribnow 盒相似
查看完整题目与答案
【简答题】液氯工段关键装置（）。重点部位：液氯罐区、液氯充装。
查看完整题目与答案
【单选题】— Didn't they come to the party last week? — Yes. They didn't want to come with us at first,   but then we ________ persuade them. [     ]
A.
would
B.
could
C.
were able to
D.
had to
查看完整题目与答案
【单选题】液氯在加压输送时液氯为（）。
A.
过冷液氯
B.
过热液氯
C.
饱和状态液氯
查看完整题目与答案
【简答题】‘ --- Lucy didn't come to school, did she?---_______. She was ill and stayed in bed.A. Yes, she did B. No, she did C. No, she doesn't D. No, she didn't
查看完整题目与答案
【单选题】关于TATA盒叙述错误的是
A.
看家基因不具有TATA盒结构
B.
是II类启动子的组成部分
C.
受阻遏蛋白调控
D.
与转录的精确起始有关
E.
位于转录起始点上游
查看完整题目与答案
【单选题】某厂在充装液氯时没有洗罐，罐内残留杂质发生化学反应，造成钢瓶爆炸，液氯泄漏扩散，导致多人死亡和中毒。根据《企业职工伤亡事故分类》（GB6441-86），这起事故的类别为（ ）。
A.
容器爆炸
B.
中毒窒息
C.
化学爆炸
D.
其他伤害
查看完整题目与答案