聚乙烯分为（）。
A.高压聚乙烯
B.中压聚乙烯
C.聚氯乙烯
D.低压聚乙烯
E.聚氯乙烯
参考答案：A, B, D
患者，女，53岁，诊断为亚急性感染性心内膜炎，护士为患者进行身体评估中发现下列哪项体征与本病不符（）。
A.玫瑰疹
B.Roth斑
C.Osler结节
D.皮肤瘀点
E.趾甲下线状出血
We'd better go and tell her the _____ news. I'm sure she will be very _____ it. [ ]
A. surprising; surprised at
B. surprised; surprising to hear
C. interested; interesting in
D. interesting; interest in
