飞行员空间定向的信息输入主要依赖于（）.
A.视觉、前庭觉以及运动觉；
B.视觉、肤觉以及嗅觉；
C.记忆、听觉以及思维。
参考答案：A
某同学用托盘天平称量时（1g以下用游码），两托盘上各放一张质量相同的纸，左盘放11g砝码，游码在0.6g处，右盘加入食盐达到平衡，则实际称取的食盐质量是 [ ]
A. 12.2g
B. 11.6g
C. 11g
D. 10.4g
—Jimmy isn't here. Where is he?
—He hurt his arm on the playground just now. He ______ to the school doctor's.[ ]
A. has gone
B. has been
C. goes
