成人双手、双前臂、前后躯干烧伤，面积为（）。
A.24％
B.26％
C.35％
D.37％
E.32％
参考答案：D
-Hi,Tracy,you look tired.
-I am tired.I ____ the living room all day. [ ]
A. painted
B. had painted
C. have been painting
D. have painted
吹塑成型是用挤出机把塑料制成管状或片状的熔体型坯，然后通入（）于型坯中，把管状的型坯吹成圆柱状泡管的膜，吹成中空制品。
A、蒸馏水
B、流体
C、空气
D、熔体
