患者停经48天，反复恶心呕吐清涎，伴疲倦乏九尿妊娠试验阳性。诊断为
A．转胞B．胞漏C．胎漏D．恶阻E．胞阻
参考答案：D
Uncle Wang likes _____ apples, but today he doesn't like _________ apples.[ ]
A. eating; eating
B. eating; to eat
C. to eat; eating
关于作冷冻机油用的脂类油POE的以下说法中错误的是（）。
A.价格较贵
B.吸湿性很强
C.适用于R134a
D.不适用于目前常用的混合制冷剂
