I hate people ______ talk much but do little. [ ]
A. who
B. which
C. whose
D. whom
答案:A
请简述在主变压器安装作业中,防止异物掉入变压器内的安全预控措施
真菌的繁殖方式为()。
A.裂殖
B.复制
C.二均分裂
D.无性和有性