—What’s this?
— __ a hat. [ ]
A. Is
B. Its
C. It’s
D. This’s
答案:C
治疗咽喉肿痛,用点刺出血的方法应首选
A.列缺B.鱼际C.太渊D.孔最E.少商
运动补液一般而言不超过每小时()ml。
A.700ml
B.800ml
C.900ml
D.1000ml