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【简答题】
大气中臭氧层对地球生物的保护作用已广为人知,但同时它又是一种温室气体,会导致更严重的温室效应。下列关于臭氧的说法中,不正确的是:_____ A: 雷雨之后,空气在雷电过程中发生了物理变化,有部分氧气变成了臭氧,起到净化空气和杀菌作用.使人感到特别舒服 B: 臭氧具有杀菌和漂白的能力 C: 浓的臭氧呈淡蓝色.具有很强的氧化能力 D: 臭氧吸收太阳释放出来的绝大部分紫外线,使动植物免遭这种射线的危害
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参考答案:
举一反三
【单选题】The story implies that the author's mother was______.
A.
critical
B.
fault-finding
C.
optimistic
D.
pessimistic
查看完整题目与答案
【单选题】The author's mother prepared the following food EXCEPT:
A.
roasted chickens
B.
brown bread
C.
mayonnaise
D.
rock-cakes
查看完整题目与答案
【判断题】“节约蛋白质”就是少吃蛋白质,多摄入碳水化合物
A.
正确
B.
错误
查看完整题目与答案
【单选题】Why did the author's mother beat him?
A.
Because she saw him playing with the lead cowboy.
B.
Because his brother informed his mother of his stealing.
C.
Because he had been chasing his neighbor's cats.
D.
Because he left the house without having told his mother.
查看完整题目与答案
【单选题】通常,计算机显示器才用的颜色模型是( )
A.
RGB模型
B.
CMYK模型
C.
LAB模型
D.
HSB模型
查看完整题目与答案
【单选题】删除学生表中专业zno为空的学生记录,正确的命令是
A.
delete * from student where zno is null
B.
delete from student where zno=null
C.
delete from student where zno is null
D.
delete from student where zno is 'null'
查看完整题目与答案
【多选题】 广告图画的表现形式有:
A.
模糊图画
B.
具象图画
C.
漫画或卡通片
D.
抽象图画
E.
装饰图画
查看完整题目与答案
【单选题】CNKI中国知网属于( )
A.
书目数据库
B.
文摘数据库
C.
全文数据库
D.
OA数据库
查看完整题目与答案
【判断题】CNKI中国知网数据库可以检索到博硕士论文。()
A.
正确
B.
错误
查看完整题目与答案
【判断题】The author's mother had an operation.
A.
正确
B.
错误
查看完整题目与答案
相关题目:
【单选题】The story implies that the author's mother was______.
A.
critical
B.
fault-finding
C.
optimistic
D.
pessimistic
查看完整题目与答案
【单选题】The author's mother prepared the following food EXCEPT:
A.
roasted chickens
B.
brown bread
C.
mayonnaise
D.
rock-cakes
查看完整题目与答案
【判断题】“节约蛋白质”就是少吃蛋白质,多摄入碳水化合物
A.
正确
B.
错误
查看完整题目与答案
【单选题】Why did the author's mother beat him?
A.
Because she saw him playing with the lead cowboy.
B.
Because his brother informed his mother of his stealing.
C.
Because he had been chasing his neighbor's cats.
D.
Because he left the house without having told his mother.
查看完整题目与答案
【单选题】通常,计算机显示器才用的颜色模型是( )
A.
RGB模型
B.
CMYK模型
C.
LAB模型
D.
HSB模型
查看完整题目与答案
【单选题】删除学生表中专业zno为空的学生记录,正确的命令是
A.
delete * from student where zno is null
B.
delete from student where zno=null
C.
delete from student where zno is null
D.
delete from student where zno is 'null'
查看完整题目与答案
【多选题】 广告图画的表现形式有:
A.
模糊图画
B.
具象图画
C.
漫画或卡通片
D.
抽象图画
E.
装饰图画
查看完整题目与答案
【单选题】CNKI中国知网属于( )
A.
书目数据库
B.
文摘数据库
C.
全文数据库
D.
OA数据库
查看完整题目与答案
【判断题】CNKI中国知网数据库可以检索到博硕士论文。()
A.
正确
B.
错误
查看完整题目与答案
【判断题】The author's mother had an operation.
A.
正确
B.
错误
查看完整题目与答案
参考解析:
知识点:
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