A.手中的石块释放后会下落
B.装有弹簧的门被推开,放手后自动关上
C.玩具弹簧手枪将“子弹”射出
D.撑竿跳高运动员跃过横杆
答案:A
_____ the child to bed, she began to correct the pupil’s exercise.
A.Sending
B.Being sent
C.Sent
D.Having sent
猫眼疮的特点是:()
A.薄膜现象
B.筛状出血
C.虹膜样改变
D.蜡样光泽
E.针刺现象