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【单选题】
下列关于细胞核糖体描述错误的是
A.
细胞只有核糖体一种细胞器
B.
核糖体在拟核组装而成
C.
细胞80S核糖体中核糖体蛋白和rRNA数量和体积比细胞70S核糖体的大，其体积约为的2倍。
D.
细胞核糖体有E位点便于脱酰tRNA的离开
E.
在两种细胞的核糖体中，rRNA占了绝大部分体积，细胞的RNA含量则比细胞低。
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举一反三
【单选题】I will be working in the R & D department next month.
A.
Wayne Muller.
B.
Thomas Esser.
C.
Hideki Tamaguchi.
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【判断题】对于受挤压的表面，挤压应力不能过大，否则会发生表面塑性变形、表面压溃等，挤压强度的判定准则为：挤压应力σP应大于许用挤压应力[σP]。
A.
正确
B.
错误
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【单选题】There is a relationship model R (employee name, project name, salary, department name, department manager). Suppose each employee can participate in multiple projects, each receive a salary; each proj...
A.
2NF,2NF
B.
1NF,3NF
C.
2NF,3NF
D.
1NF,BCNF
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【单选题】Which department monitors the accounts of the clients and the company?
A.
HR Department
B.
R & D Department
C.
Administrative Department
D.
Accounting Department
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【简答题】What are the Chinese meaning of the following departments? a R&D Department b Marketing Department c Production Department d Board of Directors e Human Resources Department f P. R Department
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【单选题】扳手是利用()原理拧转螺栓、螺钉、螺母和其他螺纹紧固件的手工工具
A.
拉力
B.
推力
C.
扭矩
D.
杠杆
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【单选题】What does E.R. stand for in the context of a hospital department?
A.
Entrance Rear
B.
Emergency Room
C.
Electrochemistry Resolution
D.
Electronics Room
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【多选题】Please pick out the correct name from the following items according to the explanation. The ________________ Department checks whether the products are good or not. 2. The __________ Department manufa...
A.
the sales department
B.
the production department
C.
the IT department
D.
the market research department
E.
the customer service department
F.
the R & D department
G.
the quality control
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【判断题】对于受挤压的表面,挤压应力不能过大,否则会发生表面塑性变形、表面压溃等,挤压强度的判定准则为:挤压应力σP应大于许用挤压应力[σP]。
A.
正确
B.
错误
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【单选题】There is a relationship model R (employee name, project name, salary, department name, department manager). Suppose each employee can participate in multiple projects, each receive a salary; each proj...
A.
employee name
B.
employee name, project name
C.
employee name, department name
D.
employee name, department manager
查看完整题目与答案
相关题目：
【单选题】I will be working in the R & D department next month.
A.
Wayne Muller.
B.
Thomas Esser.
C.
Hideki Tamaguchi.
查看完整题目与答案
【判断题】对于受挤压的表面，挤压应力不能过大，否则会发生表面塑性变形、表面压溃等，挤压强度的判定准则为：挤压应力σP应大于许用挤压应力[σP]。
A.
正确
B.
错误
查看完整题目与答案
【单选题】There is a relationship model R (employee name, project name, salary, department name, department manager). Suppose each employee can participate in multiple projects, each receive a salary; each proj...
A.
2NF,2NF
B.
1NF,3NF
C.
2NF,3NF
D.
1NF,BCNF
查看完整题目与答案
【单选题】Which department monitors the accounts of the clients and the company?
A.
HR Department
B.
R & D Department
C.
Administrative Department
D.
Accounting Department
查看完整题目与答案
【简答题】What are the Chinese meaning of the following departments? a R&D Department b Marketing Department c Production Department d Board of Directors e Human Resources Department f P. R Department
查看完整题目与答案
【单选题】扳手是利用()原理拧转螺栓、螺钉、螺母和其他螺纹紧固件的手工工具
A.
拉力
B.
推力
C.
扭矩
D.
杠杆
查看完整题目与答案
【单选题】What does E.R. stand for in the context of a hospital department?
A.
Entrance Rear
B.
Emergency Room
C.
Electrochemistry Resolution
D.
Electronics Room
查看完整题目与答案
【多选题】Please pick out the correct name from the following items according to the explanation. The ________________ Department checks whether the products are good or not. 2. The __________ Department manufa...
A.
the sales department
B.
the production department
C.
the IT department
D.
the market research department
E.
the customer service department
F.
the R & D department
G.
the quality control
查看完整题目与答案
【判断题】对于受挤压的表面,挤压应力不能过大,否则会发生表面塑性变形、表面压溃等,挤压强度的判定准则为:挤压应力σP应大于许用挤压应力[σP]。
A.
正确
B.
错误
查看完整题目与答案
【单选题】There is a relationship model R (employee name, project name, salary, department name, department manager). Suppose each employee can participate in multiple projects, each receive a salary; each proj...
A.
employee name
B.
employee name, project name
C.
employee name, department name
D.
employee name, department manager
查看完整题目与答案