把0.275保留两位小数约等于0.28．______． （判断对错）
0.275≈0.28；
故答案为：√．
—Oh, dear! I can’t find my new bracelet. Where on earth did I put it?
—What a careless guy. It is on the table______ we had dinner together yesterday.
A．which
B．that
C．where
D．what
[复合型非选择题]某男，原体重70kg，失水后烦躁，心率加快，血清钠158mmol／L，现体重67kg
对高渗性失水的补液种类应为（）
A.以补水为主，补钠为辅
B.以补等渗溶液为主
C.以补高渗溶液为主
D.以补钠为主
E.以补钙为主
