【单选题】While she was in Paris, she developed a _____ for fine art.
【单选题】Doctors found that the lungs of the children whose mothers smoked______.
A.
had developed as fast as they should
B.
had not developed as fast as they should
C.
had not developed at all
D.
had developed faster than they should
【判断题】混浊果蔬汁的营养价值、风味、色泽都要优于澄清果蔬汁。
【简答题】线路过电流保护是通过反映被保护线路 电流 ,超过设定值而使 ( ) 跳闸的保护。按动作时限特性分 ( ) 和 反时限过电流 保护。
【判断题】瞬时电流速断、限时电流速断和定时过电流保护都是反映于电流升高而动作的保护装置。