【单选题】Lily can’t read the words on the blackboard. She might be __.
【单选题】Lily said you might ___________ outdoor sports.
【单选题】The red bicycle _____ be Lily’s. She has a blue bicycle.
【简答题】Lily might not be at home Saturday morning, but she'll be there the evening.A. B.
【判断题】通过节流阀的流量与节流阀的通流面积成正比,与阀两端的压力差大小无关。