【简答题】【消耗次数:1】
Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]2. Dont throw those old textbooks away. They may[填空1]some day.
参考答案:
复制
纠错
相关题目
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]9. But in reality this is not[填空1].
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]1. We may[填空1], but we cant give conduct.
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]10. I calculated that he would[填空1]the meeting.
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]8. The prisoner[填空1]to escape, but he couldnt climb up the prison wall.
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]4. A few minutes later the bomb[填空1]destroying the vehicle.
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]3. This means that across the country all students will[填空1]computers.
【填空题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]5.Ill have to[填空1]the noise till I move next week.
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]6. In doing so, businessmen will be able to[填空1]how to do their best.
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]7.Its no wonder,then, that women all over the world are[填空1]a better option.
【简答题】 Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[collide with; take hold of; for a moment; head for; ever since; be full of; share with; make fun of]3. Dont[填空1]the disabled!
随机题目
【判断题】 正在运行的三相异步电动机突然一相断路,电动机会立即停下来。
①  正确
②  错误
【判断题】 换向器是直流电动机特有的装置。
①  正确
②  错误
【判断题】 异步电动机的转子转速n总是略大于旋转磁场的同步转速n1,即旋转磁场“异步”的转动,所以称这种电动机为异步电动机。
①  正确
②  错误
【单选题】 在三相交流异步电动机定子上布置结构完全相同,在空间位置上互差120°电角度的三相绕组,分别通入( ),则在定子与转子的空气隙间将会产生旋转磁场。
①  直流电
②  交流电
③  脉动直流电
④  三相对称交流电
【单选题】 在三相交流异步电动机的定子上布置有( )的三相绕组。
①  结构相同,空间位置互差90°电角度
②  结构相同,空间位置互差120°电角度
③  结构不同,空间位置互差180°电角度
④  结构不同,空间位置互差120°电角度
【单选题】 直流电机中的换向极由( )组成。
①  换向极铁心
②  换向极绕组
③  换向器
④  换向极铁心和换向极绕组
【单选题】 已知一台异步电动机转子的额定转速为1430r/min,那么这台电机的极对数为( )
①  2
②  4
③  6
④  1
【单选题】 属于交流电动机无级调速方法的是。( )
①  改变极对数
②  变频调速
③  定子串电阻调速
④  转子串电阻调速
【判断题】 驱动执行机构用于实现系统中各单元和环节之间进行物质、能量和信息的交换。
①  正确
②  错误
【单选题】 下列哪种电器是依据生产机械的形成发出命令,以控制其运动方向和行程长短。( )
①  控制按钮
②  主令控制器
③  行程开关