醇酸树脂涂料品种有（）。
A.不干性油改性醇酸树脂
B.干性油改性醇酸树脂
C.无油醇酸树脂
D.氨基树脂涂料
参考答案：A, B, C
— John really said that. ____?
— I can't believe it.
A. Didn't he
B. Did he
C. Did it
D. Didn't it
脑复苏中施行低温疗法作用是
A．避免发热
B．制止寒战和抽搐
C．降低脑组织耗氧量
D．减轻脑水肿，降低颅内压
E．终止脑组织缺氧性病变的发展
