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搜题
【单选题】
已知圆的一般方程为: ,则圆心坐标与半径分别是( )
A.
(0,2),r=3
B.
(0,-2),r=3
C.
(0,2),r=9
D.
(0,-2),r=9
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【单选题】[单选题]所有使用的起重工具、绳索、安全带等应详细检查,不合格的不准使用,不准()。
A.
不分大小
B.
以大代小
C.
以小代大
【简答题】阅读理解。 In sh grade, Brittany Blythe dreamed of being a cheerleader. Her school's coaches were less than enthusiastic. 'They said, 'I don't know how you'll be able to do it,' she recalls. ''You won...
【单选题】Brittany is writing a business report about protecting workplace data and will be conducting an interview with a data security expert. What is the best advice you can give her?
A.
Call before the interview to confirm the arrangements, and then arrive on time.
B.
Learn about the individual she is interviewing, and research the background and terminology of the topic.
C.
Use open-ended questions rather than yes-or-no questions to draw out the responses from the expert.
D.
Brittany should complete all these steps.
【单选题】所有使用的起重工具、绳索、安全带等应详细检查,不合格的不准使用,不准()。
A.
不分大小
B.
以大代小
C.
以小代大
【简答题】In sh grade, Brittany Blythe dreamed of being a cheerleader. Her school’s coaches were less than enthusiastic. “They said, ‘I don’t know how you’ll be able to do it,’ she recalls. “‘You won’t be ...
【单选题】所有使用的起重工具、绳索、安全带等应详细检查,不合格的不准使用,不准()。
A.
以小代大
B.
以大代小
C.
不分大小
【多选题】定位轴线的竖向编号采用大写的拉丁字母,其中不能采用的字母是( )。
A.
I
B.
X
C.
O
D.
Z
【多选题】机械拆除作业的安全技术措施包括( )。
A.
拆除施工时,应按照专项施工方案设计选定的机械设备及吊装方案进行施工,严禁超载作业或任意扩大使用范围
B.
拆除程序应从上至下、逐层、逐段进行,应先拆除非承重结构,再拆除承重结构
C.
当进行高处拆除作业时,对较大尺寸的构件或沉重的材料,必须使用起重机具及时吊下,拆卸下来的各种材料应及时清理,分类堆放在指定场所,严禁向下抛掷
D.
在拆除钢屋架时,必须采用绳索将其拴牢,待起重机吊稳后,方可进行气焊切割作业
E.
拆除梁或悬挑构件时,应在采取有效的塌落控制措施后,方可切断两端的支撑
【判断题】Britain is the same as Brittany.
A.
正确
B.
错误
【简答题】Recipients(接受者)of this year's Annenberg scholarships were announced on June 19. Brittany Blythe was one of them. In sh grade,Brittany Blythe dreamed of being a cheerleader(啦啦队队员). Her school’s co...
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