视辨距障碍试验，出现“过射现象”，提示（）
A.周围性前庭病变
B.小脑病变
C.脑桥病变
D.中枢性前庭病变
E.巴比妥类药物中毒
参考答案：B
用括号内所给词的恰当形式填空。
1. Her sister wants ______ (be) a nurse.
2. Mrs Read ______ (come) from America.
3. Every day he ______ (get) up early and then ______ (go) to work.
4. ______ your brother ______ (do) his homework in the evening?
5. Thieves ______ (not like) police officers.
重度脱水的临床表现，正确的是：（）
A.失水量为50~100ml/kg
B.口腔粘膜极干燥
C.尿量极少或无尿
D.眼窝和前囟深凹
E.四肢厥冷
