【单选题】, you need to give all youhave and try your best.
【单选题】How can you expect him to make any progress _____ you never give him a chance to have a try? [ ]
【简答题】But with few exceptions American newspapers try to entertain as well as give information, for they have to compete with television. (Passage 3)
【判断题】任何组织和个人都必须尊重宪法法律权威,都必须在宪法法律范围内活动,都必须依照宪法法律行使权力或权利、履行职责或义务,都不得有超越宪法法律的特权。
【简答题】Even though (give) ______ every opportunity, they would not try.
【多选题】在( )各个方面体现人人平等,任何组织和个人都必须尊重宪法法律权威。
【单选题】负载为三角形联结的对称三相电路中,负载线电压U L 与相电压U P 之间,线电流I L 与相电流I P 之间的关系为( )。
B.
I L ≠I P C.U L =U P , I L =I P
【单选题】()是指人都会主动工作,并且也愿意承担责任。他们都需要发挥自己的潜力,只有人的潜能充分发挥出来才会感到最大的满足。
【判断题】对称三相电路有功功率的计算公式为 P= U L I L cosφ,其中φ对于星形联结,是指相电压与相电流之间的相位差;对于三角形联结,则是指线电压与线电流之间的相位差。 ( )