[单选题]A.×、×、√、√、√、×、√、×、√、×B.×、×、√、√、√、√、√、×、√、×C.×、×、√、√、√、√、√、√、√、×D.×、×、√、×、√、

[单选题]A.50.5B.50.8C.51.8D.52.2E.52.6

[单选题]A.50.5B.50.8C.51.8D.52.2E.52.6

[单选题]A.×、×、√、√、√、×、√、×、√、×B.×、×、√、√、√、√、√、×、√、×C.×、×、√、√、√、√、√、√、√、×D.×、×、√、×、√、

[单选题]A.是一种恶性肿瘤B.可以分为3型C.常见儿童与青年D.治疗以外科手术为主E.好发于舌、唇、颊、及颈部

[单选题]A.加、减、除B.除、加、加C.加、加、减D.减、减、加

[单选题]A.0.5倍B.2倍C.4倍D.8倍

[单选题]A.B.C.D.

[单选题]A.击穿B.电流为零C.电流正常D.电流过大使管子烧坏

[单选题]A.B.C.D.