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优化导航是SEO的重要内容之一，那么该如何优化网站导航呢？
拍照语音搜题，微信中搜索"皮皮学"使用
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【多选题】下列属于TRIPS保护的知识产权的有
A.
版权与邻接权
B.
商标权
C.
地理标志权
D.
工业品外观设计权
查看完整题目与答案
【单选题】下列（）出口不必设速闭阀。
A.
燃油储油柜
B.
主机滑油循环柜
C.
燃油日用柜
D.
燃油沉淀柜
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【单选题】下列_________出口不必设速闭阀。
A.
燃油日用柜
B.
燃油沉淀柜
C.
滑油日用柜
D.
主机滑油循环柜
查看完整题目与答案
【单选题】遇压缩或液化气体火灾,下列哪些是错误的:( )
A.
首先应扑灭外围被火源引燃的可燃物火势，切断火势蔓延途径，控制燃烧范围。
B.
如果是输气管道泄漏着火，应设法找到气源阀门并迅速关闭，火势就会自动熄灭。实验室钢瓶管道出口处如发生燃烧，应尽快关闭钢瓶阀门。
C.
一旦关闭阀门可自动实现灭火工作
D.
扑救气体火灾切忌盲目扑灭火势，即使在扑救周围火势以及冷却过程中不小心把泄漏处的火焰扑灭了，在没有采取堵漏措施的情况下，也必须立即用长的点火棒将火点燃，使其恢复稳定燃烧
查看完整题目与答案
【简答题】Do you know me? My name is May. Do you have any rules in your school? There are many rules in my school. Let me tell you some of them. We have to wear uniforms every day. I don’t think this rule is go...
查看完整题目与答案
【简答题】The following sentences are about negotiating the prices. Read them and put them in the right column. I’m sure the prices we quoted are reasonable. I’m not sure I agree with you there. Your ...
查看完整题目与答案
【单选题】下列哪种船舶油柜出口不必设速闭阀（）。
A.
燃油日用柜
B.
燃油沉淀柜
C.
滑油日用柜
D.
主机滑油循环柜
查看完整题目与答案
【单选题】下列哪种油柜出口不必设速闭阀?__________
A.
燃油日用柜
B.
燃油沉淀柜
C.
滑油日用柜
D.
主机滑油循环柜
查看完整题目与答案
【单选题】--- Mrs. Brown, I don’t think we can get there on time by bike. --- You mean it’s ___________ for us to take a taxi?
A.
necessary
B.
important
C.
possible
D.
difficult
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【单选题】Decide whether each of the following statement is acceptable as request in a business letter. Last summer, my husband and I went to the north of your country. We enjoyed the cool weather and had a goo...
A.
Acceptable
B.
Unacceptable
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相关题目：
【多选题】下列属于TRIPS保护的知识产权的有
A.
版权与邻接权
B.
商标权
C.
地理标志权
D.
工业品外观设计权
查看完整题目与答案
【单选题】下列（）出口不必设速闭阀。
A.
燃油储油柜
B.
主机滑油循环柜
C.
燃油日用柜
D.
燃油沉淀柜
查看完整题目与答案
【单选题】下列_________出口不必设速闭阀。
A.
燃油日用柜
B.
燃油沉淀柜
C.
滑油日用柜
D.
主机滑油循环柜
查看完整题目与答案
【单选题】遇压缩或液化气体火灾,下列哪些是错误的:( )
A.
首先应扑灭外围被火源引燃的可燃物火势，切断火势蔓延途径，控制燃烧范围。
B.
如果是输气管道泄漏着火，应设法找到气源阀门并迅速关闭，火势就会自动熄灭。实验室钢瓶管道出口处如发生燃烧，应尽快关闭钢瓶阀门。
C.
一旦关闭阀门可自动实现灭火工作
D.
扑救气体火灾切忌盲目扑灭火势，即使在扑救周围火势以及冷却过程中不小心把泄漏处的火焰扑灭了，在没有采取堵漏措施的情况下，也必须立即用长的点火棒将火点燃，使其恢复稳定燃烧
查看完整题目与答案
【简答题】Do you know me? My name is May. Do you have any rules in your school? There are many rules in my school. Let me tell you some of them. We have to wear uniforms every day. I don’t think this rule is go...
查看完整题目与答案
【简答题】The following sentences are about negotiating the prices. Read them and put them in the right column. I’m sure the prices we quoted are reasonable. I’m not sure I agree with you there. Your ...
查看完整题目与答案
【单选题】下列哪种船舶油柜出口不必设速闭阀（）。
A.
燃油日用柜
B.
燃油沉淀柜
C.
滑油日用柜
D.
主机滑油循环柜
查看完整题目与答案
【单选题】下列哪种油柜出口不必设速闭阀?__________
A.
燃油日用柜
B.
燃油沉淀柜
C.
滑油日用柜
D.
主机滑油循环柜
查看完整题目与答案
【单选题】--- Mrs. Brown, I don’t think we can get there on time by bike. --- You mean it’s ___________ for us to take a taxi?
A.
necessary
B.
important
C.
possible
D.
difficult
查看完整题目与答案
【单选题】Decide whether each of the following statement is acceptable as request in a business letter. Last summer, my husband and I went to the north of your country. We enjoyed the cool weather and had a goo...
A.
Acceptable
B.
Unacceptable
查看完整题目与答案