正常情况下,幼红细胞的过碘酸-雪夫反应(PAS)呈()
A.阳性
B.阴性
C.阴性或阳性
D.强阳性
E.弱阳性
参考答案:B
The prices of houses are ______ upwards and more and more young people feel the pressure of life. [ ]
A. finding
B. defending
C. training
D. trending
导频污染区域在路测数据中会频繁出现()消息。
A.NLM/ENLM
B.CCLM/ECCLM
C.-PSMM
D.SPM