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【单选题】
维持静息时细胞内外的 Na + 和K + 浓度差的是
A.
膜上ATP的作用
B.
膜上的 Na + - K + 泵作用
C.
Na + 、K + 易化扩散的结果
D.
膜对Na + 、K + 单纯扩散
E.
Na + -K + 交换
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参考答案：
举一反三
【单选题】we went skiing and we enjoyed ____.
A.
myself
B.
ourself
C.
ourselves
D.
themselves
查看完整题目与答案
【单选题】—Iheard they went skiing in the mountains last winter ． —It true because there was 1ittle snow there ．
A.
． may not be   
B.
． won’t be   
C.
． couldn’t be   
D.
． mustn’t be
查看完整题目与答案
【判断题】对企业销售收入及其变化趋势的预测就是销售预测。
A.
正确
B.
错误
查看完整题目与答案
【单选题】I went skiing with my parents. we all ________.
A.
enjoy ourself
B.
enjoyed ourself
C.
enjoyed ourselves
D.
enjoyed myself
查看完整题目与答案
【多选题】Which of the following statements about the safety of artificial intelce (AI) are correct?
A.
The possibility of creating thinking machines raises safety issues. Currently we lack relevant policies & suggestions to deal with such safety issues that may come up in research being carried out.
B.
To ensure the greater human good over the longer term, autonomous AI technology must be designed & deployed in a very careful manner.
C.
AI systems have the potential to solve many of today's problems, but they also have the potential to create many new problems. We have seen that the computational infrastructure of the future must protect against harmful autonomous AI systems.
D.
We must make decisions about AI in alignment with the best of human values & principles of good governance.
查看完整题目与答案
【单选题】The long-term financing used to purchase property is called a .
A.
mortgage
B.
face value
C.
bonds payable
D.
discount on bonds payable
查看完整题目与答案
【多选题】Which of the following usually belong to long-term financing tools?
A.
convertible bonds
B.
preferred stock
C.
common stock
D.
commercial papers
查看完整题目与答案
【判断题】对企业销售收入及其变化趋势的预测就是销售预测
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which of the below markets is used for long-term financing?
A.
Wholesale market
B.
Bond market
C.
Interbank market
查看完整题目与答案
【单选题】男,42岁。诊断腹股沟斜疝,给予疝修补术治疗。下列哪一项是其术后活动的正确措施
A.
24小时可床边活动
B.
2天后可户外散步
C.
2周后可恢复轻工作
D.
术后不宜早期下床活动
E.
不从事重体力劳动
查看完整题目与答案
相关题目：
【单选题】we went skiing and we enjoyed ____.
A.
myself
B.
ourself
C.
ourselves
D.
themselves
查看完整题目与答案
【单选题】—Iheard they went skiing in the mountains last winter ． —It true because there was 1ittle snow there ．
A.
． may not be   
B.
． won’t be   
C.
． couldn’t be   
D.
． mustn’t be
查看完整题目与答案
【判断题】对企业销售收入及其变化趋势的预测就是销售预测。
A.
正确
B.
错误
查看完整题目与答案
【单选题】I went skiing with my parents. we all ________.
A.
enjoy ourself
B.
enjoyed ourself
C.
enjoyed ourselves
D.
enjoyed myself
查看完整题目与答案
【多选题】Which of the following statements about the safety of artificial intelce (AI) are correct?
A.
The possibility of creating thinking machines raises safety issues. Currently we lack relevant policies & suggestions to deal with such safety issues that may come up in research being carried out.
B.
To ensure the greater human good over the longer term, autonomous AI technology must be designed & deployed in a very careful manner.
C.
AI systems have the potential to solve many of today's problems, but they also have the potential to create many new problems. We have seen that the computational infrastructure of the future must protect against harmful autonomous AI systems.
D.
We must make decisions about AI in alignment with the best of human values & principles of good governance.
查看完整题目与答案
【单选题】The long-term financing used to purchase property is called a .
A.
mortgage
B.
face value
C.
bonds payable
D.
discount on bonds payable
查看完整题目与答案
【多选题】Which of the following usually belong to long-term financing tools?
A.
convertible bonds
B.
preferred stock
C.
common stock
D.
commercial papers
查看完整题目与答案
【判断题】对企业销售收入及其变化趋势的预测就是销售预测
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which of the below markets is used for long-term financing?
A.
Wholesale market
B.
Bond market
C.
Interbank market
查看完整题目与答案
【单选题】男,42岁。诊断腹股沟斜疝,给予疝修补术治疗。下列哪一项是其术后活动的正确措施
A.
24小时可床边活动
B.
2天后可户外散步
C.
2周后可恢复轻工作
D.
术后不宜早期下床活动
E.
不从事重体力劳动
查看完整题目与答案
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