题目

O Elizabeth Clay decided to go home and spend the holiday with her parents.The next day she drove her old car home along the road._41_she found she got a flat.The 22-year-old student_42_to stop her car by the side of the road in the winter night and opened the trunk.No_43_tire. At this time,a car_44_.Paul and Diane told Clay to_45_them to a service station near their_46_.They arrived to see that it had no suitable tires to_47_with her car.Follow us home,said Paul. The couple called around to find a tire.No_48_.They decided to let her use their own car.Here,Paul said, handing Clay a_49_of设l，m是不同的直线，α，β，γ，，是不同的平面，则下列说法中正确的是（ ）A．若l⊥m，m⊥α，则l⊥α或l∥αB．若l⊥γ，α⊥γ，则l∥α或l?αC．若l∥α，m∥α，则l∥m或l与m相交D．若l∥α，α⊥β，则l⊥m或l?β