下列物质的化学式书写错误的是 [ ]
A.氧化镁MgO
B.氯化钠NaCl
C.氯化铝AlCl
D.氢氧化钙Ca(OH)2
答案:C
患者男,48岁。脑出血,意识丧失。该患者的体位是()。
A.自主体位
B.强迫仰卧位
C.被动体位
D.强迫坐位
E.强迫侧卧位
Allen had to call a taxi because the box was ______ to carry all the way home.
A much too heavy B too much heavy C heavy too much D too heavy much