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【单选题】
液压传动系统中辅助元件的作用是()
A.
用来把输入的机械能转换成液压能的元件,常见的形式是各种容积式的泵
B.
用来把液压能转换成机械能并对外作功的元件
C.
系统中对油液压力、流量和流向起着控制调节作用的元件
D.
保证液压油工作循环和系统进行正常工作所必须的辅助装置
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参考答案:
举一反三
【多选题】坚持人与自然和谐共生,就要牢固树立和践行绿水青山就是金山银山的理念,落实()为主的方针,统筹山水林田湖草这样一个生命共同体的建设。
A.
发展优先
B.
节约优先
C.
人工恢复
D.
保护优先
【简答题】A.Specify what they would like to do after graduation。 B.Describe in detail how much they would enjoy studying。 C.Indicate they have reflected and thought about the subject。 D.Emphasize that they admi...
【简答题】No.3 : Most children are excited on this day. They wear black costumes or masks. They would like to dress up as frightening and ugly ghosts or witches. They would like to knock others’doors and say, “...
【简答题】Currently, every college student knows that ability is important. They would like to attend various training programs and apply for different certificates so that they are more competent. Do you think...
【判断题】现代化经济体系要求要牢固树立和践行绿水青山就是金山银山的理念。
A.
正确
B.
错误
【判断题】牢固树立和践行绿水青山就是金山银山的理念,坚定不移走生产发展、生活富裕、生态良好的文明发展道路,推动形成人与自然和谐发展的现代化建设新格局,为推进全国生态文明建设探索新经验。()
A.
正确
B.
错误
【单选题】As Indians are getting richer they would like to pay much more money on fitness as to follow the popularity.
A.
Y
B.
N
C.
NG
【单选题】习近平总书记提出:“我们竖持人与自然和谐共生,牢固树立和践行绿水青山就是金山银山的理念,坚持节约资源和保护环境。”下列选项中践行了习总书记讲话精神的是( )
A.
预防贪污腐败
B.
惩处网络犯罪
C.
治理工业污染
D.
打击恐怖主义
【判断题】You can ask foreign guest how they would like to be called and to tell what you would like them to call you.
A.
正确
B.
错误
【单选题】牢固树立和践行绿水青山就是金山银山的理念,坚持节约资源和( )的基本国策,使大湾区天更蓝、山更绿、水更清、环境更优美。
A.
保护生态
B.
保护环境
C.
保护资源
D.
保护绿色
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