根据中华人民共和国船舶污染物排放标准,目前内河船舶生活污水排放,其悬浮物,应不大于()。
A.150mg/L
B.100mg/L
C.50mg/L
D.15mg/L
参考答案:A
—I haven't seen Jane for a long time. Where is she?
—She_____ to New York.[ ]
A. went
B. goes
C. will go
D. has gone
对结核性腹膜炎最有价值的检查是()。
A.PPD试验
B.结肠镜试验
C.血沉
D.腹腔积液常规
E.腹腔镜+腹膜活检