【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.
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【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
【单选题】 关于三相异步电动机转子边产生的磁动势的旋转速度说法正确的是()
①  相对定子边磁动势静止
②  相对定子静止
③  相对转子静止
【单选题】 变压器副边额定电压是变压器原边加额定电压,副边()
①  空载相电压
②  空载线电压
③  额定负载相电压
④  额定负载线电压
【单选题】 三相绕线式异步电机定子边电压降低时,最大转矩和临界转差率
①  增大、不变
②  增大、变小
③  变小、不变
④  变小、增大
【单选题】 三相异步电动机的电流方程式实质上表达的是定转子间的磁势平衡关系。当转子边电流增大时,定子边电流________
①  减小
②  增大
③  不变
【单选题】 异步电动机等效电路中的励磁电抗Xm为()
①  漏磁通引起的电抗
②  基波旋转磁通引起的电抗
③  铁耗产生的电抗
【单选题】 一台三相变压器的额定电压U1N/U2N=10000/400V,绕组为Y/Δ—11接法,则其变比为
①  14.43
②  25
③  43.3
【单选题】 他励直流电动机拖动位能性恒转矩负载,采用降压调速的方法,当转速降低时,电枢电流不变,输入功率
①  增大
②  不变
③  减小
【单选题】 直流电机的气隙磁动势是由()产生的
①  励磁磁动势
②  电枢磁动势
③  励磁磁动势和电枢磁动势
【单选题】 单相变压器磁路饱和时,主磁通和励磁电流的波形()
①  同时为正弦波
②  同为尖顶波
③  不会同时为正弦波
【单选题】 关于恒功率负载,说法正确的是
①  =常数,
②  =常数,
③  =常数