Here ____ some girls. [ ]
A. is
B. are
C. have
D. am
答案:B
Hot water _____ in the students' flats from 5 pm to 7 pm now.[ ]
A. supplies
B. is supplied
C. supplied
D. was supplied
关于骨髓瘤的分型,下列哪些正确()
A.按发病数目可分为单发和多发性骨髓瘤
B.按是否分泌免疫球蛋白可分为分泌型和非分泌型骨髓瘤
C.分泌型骨髓瘤少见
D.非分泌型骨髓瘤多见
E.分泌型骨髓瘤中,以IgG型多见