已知a﹣b=﹣2,则代数式3(a﹣b)2﹣a+b的值为( )[ ]
A.10
B.12
C.﹣10
D.14
答案:D
Tom 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
关于恶性高热,哪项处理不恰当()
A.要积极降温
B.停用一切麻醉药并终止手术
C.用利多卡因治疗心律失常
D.应用丹曲洛林改善肌强直
E.给碳酸氢钠2~4mg/kg纠正酸中毒