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【简答题】
衡量一个计算机管理信息系统的好坏,常用的性能指标有:________、响应时间、安全保密性、可靠性________、可维护性、________、设备的利用率等。
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【单选题】钩端螺旋体病预防综合措施中最主要的是
A.
灭田鼠
B.
圈猪积肥，加强犬的管理
C.
做好个人防护
D.
预防接种多价菌苗
E.
改造疫源地，防止洪水泛滥
查看完整题目与答案
【单选题】听力原文：M: Hey, wow!? Where did you get all of this stuff? W: I bought it. So, what do you think of my new entertainment centre? And the widescreen TV... M: Bought it? But where did you get the dough to ...
A.
A teacher and a student.
B.
A brother and a sister.
C.
A father and a daughter.
D.
Two classmates.
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【单选题】听力原文：M: Hey Linda, did you get that letter about the new options for food service next year? W: Not yet. Are there a lot of changes? M: There sure are. Instead of paying one fee to cover all meals for...
A.
All students pay the same amount per year.
B.
Students choose how many meals a week they will pay for.
C.
Students get money back for meals they don't eat.
D.
Some students get free meals.
查看完整题目与答案
【简答题】临时遮栏设置在可能发生人体接近带电体的巡视通道和检修设备的周围。()
查看完整题目与答案
【判断题】临时遮栏设置在可能发生人体接近带电体的巡视通道和检修设备的周围。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M: Hey Linda, did you get that letter about the new options for food services next year? W: Not yet．Are there a lot of changes? M: There sure are．Instead of paying one fee for all meals for the w...
A.
All students pay the same amount per year.
B.
Students choose how many meals a week they will pay for.
C.
Students can get money back for meals that they don't eat.
D.
Some students can get free meals at the cafeteria.
查看完整题目与答案
【多选题】预防钩体病的主要措施是（）
A.
防鼠、灭鼠，并加强对带菌家畜的管理
B.
防蚊、灭蚊
C.
对易感人群接种单价死疫苗
D.
对易感人群接种多价死疫苗
E.
对易感人群接种多价活疫苗
查看完整题目与答案
【多选题】以下哪些做法可能是人类的长寿原因?
A.
荤、素食品搭配合理，重视蔬菜和水果的食用
B.
有良好的睡眠与饮食习惯
C.
本不吸烟，或仅仅少量饮酒
D.
家庭和睦子女孝顺
查看完整题目与答案
【多选题】下列选项中,五力关系模型中竞争关系的构成要素包括()。
A.
竞争者
B.
潜在竞争者
C.
替代品
D.
供应商
查看完整题目与答案
【单选题】听力原文：M: Hey Jolin, did you get that email about the new options for food service next semester? W: Not yet. Are there a lot of changes? M: There sure are. Instead of paying one fee to cover all meals ...
A.
It is cheaper.
B.
It is dearer.
C.
It is more flexible.
D.
It is simpler.
查看完整题目与答案
相关题目：
【单选题】钩端螺旋体病预防综合措施中最主要的是
A.
灭田鼠
B.
圈猪积肥，加强犬的管理
C.
做好个人防护
D.
预防接种多价菌苗
E.
改造疫源地，防止洪水泛滥
查看完整题目与答案
【单选题】听力原文：M: Hey, wow!? Where did you get all of this stuff? W: I bought it. So, what do you think of my new entertainment centre? And the widescreen TV... M: Bought it? But where did you get the dough to ...
A.
A teacher and a student.
B.
A brother and a sister.
C.
A father and a daughter.
D.
Two classmates.
查看完整题目与答案
【单选题】听力原文：M: Hey Linda, did you get that letter about the new options for food service next year? W: Not yet. Are there a lot of changes? M: There sure are. Instead of paying one fee to cover all meals for...
A.
All students pay the same amount per year.
B.
Students choose how many meals a week they will pay for.
C.
Students get money back for meals they don't eat.
D.
Some students get free meals.
查看完整题目与答案
【简答题】临时遮栏设置在可能发生人体接近带电体的巡视通道和检修设备的周围。()
查看完整题目与答案
【判断题】临时遮栏设置在可能发生人体接近带电体的巡视通道和检修设备的周围。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M: Hey Linda, did you get that letter about the new options for food services next year? W: Not yet．Are there a lot of changes? M: There sure are．Instead of paying one fee for all meals for the w...
A.
All students pay the same amount per year.
B.
Students choose how many meals a week they will pay for.
C.
Students can get money back for meals that they don't eat.
D.
Some students can get free meals at the cafeteria.
查看完整题目与答案
【多选题】预防钩体病的主要措施是（）
A.
防鼠、灭鼠，并加强对带菌家畜的管理
B.
防蚊、灭蚊
C.
对易感人群接种单价死疫苗
D.
对易感人群接种多价死疫苗
E.
对易感人群接种多价活疫苗
查看完整题目与答案
【多选题】以下哪些做法可能是人类的长寿原因?
A.
荤、素食品搭配合理，重视蔬菜和水果的食用
B.
有良好的睡眠与饮食习惯
C.
本不吸烟，或仅仅少量饮酒
D.
家庭和睦子女孝顺
查看完整题目与答案
【多选题】下列选项中,五力关系模型中竞争关系的构成要素包括()。
A.
竞争者
B.
潜在竞争者
C.
替代品
D.
供应商
查看完整题目与答案
【单选题】听力原文：M: Hey Jolin, did you get that email about the new options for food service next semester? W: Not yet. Are there a lot of changes? M: There sure are. Instead of paying one fee to cover all meals ...
A.
It is cheaper.
B.
It is dearer.
C.
It is more flexible.
D.
It is simpler.
查看完整题目与答案