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【单选题】
检修接触器，当线圈工作电压在（）%UN以下时交流接触器动铁心应释放，主触头自动打开切断电路，起欠压保护作用。
A.
80
B.
30
C.
85
D.
50
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参考答案：
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【单选题】听力原文：W: You seem to have a lot of work to do at your office. You are always staying late and working overtime. M: That's tree, but it's no bother to me. The work is interesting and I don't mind extra ...
A.
He takes pleasure in doing his job.
B.
His job always bothers him, but he doesn't mind.
C.
Working overtime is really interesting for him.
D.
His job keeps him from working extra hours.
查看完整题目与答案
【单选题】人力资源的需求量主要是根据(C)来确定。
A.
来应聘人员的优秀程度
B.
上级人员的优秀程度
C.
职务的数量和类型
D.
工作的难易程度
查看完整题目与答案
【单选题】听力原文：W: You seem to have a lot of work to do at your office. You are always staying late and working overtime. M: That's true, but it's no bother to me. The work is interesting and I don't mind extra ...
A.
He takes pleasure in doing his job.
B.
His job always bothers him, but he doesn't mind.
C.
Working overtime is really interesting for him.
D.
His job keeps him from working extra hours.
查看完整题目与答案
【简答题】阅读理解：Mr Guo is a teacher from Xi’an. He asked his students to hand in their homework through a QR code (二维码). “We spent an hour or two in class learning how to generate (使产生) the codes, and in the end...
查看完整题目与答案
【单选题】In the old days, when schools wanted to communicate with parents, they sent a letter home. Now, in addition to email, schools and parents can connect through social media like Twitter, Facebook and Sk...
A.
Social media.
B.
Parent meetings.
C.
Letters.
D.
Email.
查看完整题目与答案
【单选题】When having questions about things like their timetables, students tend to______.
A.
communicate with their instructors directly
B.
contact the public office set by the university
C.
call or email another student for the information
D.
post messages and seek help on the internet
查看完整题目与答案
【简答题】B People tend to become more personal and hide less of themselves when using email. Researchers from Open University in Britain have found in a recent study that there are good reasons for this. The t...
查看完整题目与答案
【单选题】人力资源的需求量主要是根据( )来确定
A.
来应聘人员的优秀程度
B.
上级人员的优秀程度
C.
职务的数量和类型
D.
工作的难易程度
查看完整题目与答案
【多选题】下列医疗用品的卫生标准中正确的是
A.
进入人体无菌组织、器官或接触破损皮肤、粘膜的医疗用品必须无菌
B.
接触粘膜的医疗用品细菌菌落总数应≤20cfu/g或100cm ；不得检出致病性微生物
C.
接触皮肤的医疗用品细菌菌落总数应≤200cfu/g或100cm ，致病性微生物不得检出
D.
使用中消毒剂细菌菌落总数应≤100cfu/mL，不得检出致病微生物
E.
无菌器械保存液必须无菌
查看完整题目与答案
【多选题】下列医疗用品的卫生标准中正确的是（　）
A.
进入人体无菌组织、器官或接触破损皮肤、粘膜的医疗用品必须无菌
B.
接触粘膜的医疗用品细菌菌落总数应≤20cfu／g或100cm2致病性微生物不得检出
C.
接触皮肤的医疗用品细菌菌落总数应≤200cfu／g或100cm2，致病性微生物不得检出
D.
使用中消毒剂与无菌器械保存液卫生标准，使用中消毒剂细菌菌落总数应≤1OOcfu／mL，致病微生物不得检出
E.
无菌器械保存液必须无菌
查看完整题目与答案
相关题目：
【单选题】听力原文：W: You seem to have a lot of work to do at your office. You are always staying late and working overtime. M: That's tree, but it's no bother to me. The work is interesting and I don't mind extra ...
A.
He takes pleasure in doing his job.
B.
His job always bothers him, but he doesn't mind.
C.
Working overtime is really interesting for him.
D.
His job keeps him from working extra hours.
查看完整题目与答案
【单选题】人力资源的需求量主要是根据(C)来确定。
A.
来应聘人员的优秀程度
B.
上级人员的优秀程度
C.
职务的数量和类型
D.
工作的难易程度
查看完整题目与答案
【单选题】听力原文：W: You seem to have a lot of work to do at your office. You are always staying late and working overtime. M: That's true, but it's no bother to me. The work is interesting and I don't mind extra ...
A.
He takes pleasure in doing his job.
B.
His job always bothers him, but he doesn't mind.
C.
Working overtime is really interesting for him.
D.
His job keeps him from working extra hours.
查看完整题目与答案
【简答题】阅读理解：Mr Guo is a teacher from Xi’an. He asked his students to hand in their homework through a QR code (二维码). “We spent an hour or two in class learning how to generate (使产生) the codes, and in the end...
查看完整题目与答案
【单选题】In the old days, when schools wanted to communicate with parents, they sent a letter home. Now, in addition to email, schools and parents can connect through social media like Twitter, Facebook and Sk...
A.
Social media.
B.
Parent meetings.
C.
Letters.
D.
Email.
查看完整题目与答案
【单选题】When having questions about things like their timetables, students tend to______.
A.
communicate with their instructors directly
B.
contact the public office set by the university
C.
call or email another student for the information
D.
post messages and seek help on the internet
查看完整题目与答案
【简答题】B People tend to become more personal and hide less of themselves when using email. Researchers from Open University in Britain have found in a recent study that there are good reasons for this. The t...
查看完整题目与答案
【单选题】人力资源的需求量主要是根据( )来确定
A.
来应聘人员的优秀程度
B.
上级人员的优秀程度
C.
职务的数量和类型
D.
工作的难易程度
查看完整题目与答案
【多选题】下列医疗用品的卫生标准中正确的是
A.
进入人体无菌组织、器官或接触破损皮肤、粘膜的医疗用品必须无菌
B.
接触粘膜的医疗用品细菌菌落总数应≤20cfu/g或100cm ；不得检出致病性微生物
C.
接触皮肤的医疗用品细菌菌落总数应≤200cfu/g或100cm ，致病性微生物不得检出
D.
使用中消毒剂细菌菌落总数应≤100cfu/mL，不得检出致病微生物
E.
无菌器械保存液必须无菌
查看完整题目与答案
【多选题】下列医疗用品的卫生标准中正确的是（　）
A.
进入人体无菌组织、器官或接触破损皮肤、粘膜的医疗用品必须无菌
B.
接触粘膜的医疗用品细菌菌落总数应≤20cfu／g或100cm2致病性微生物不得检出
C.
接触皮肤的医疗用品细菌菌落总数应≤200cfu／g或100cm2，致病性微生物不得检出
D.
使用中消毒剂与无菌器械保存液卫生标准，使用中消毒剂细菌菌落总数应≤1OOcfu／mL，致病微生物不得检出
E.
无菌器械保存液必须无菌
查看完整题目与答案
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