晶体三极管工作在放大区时,集电结应()。
参考答案:反偏置
– You have given us a wonderful Chinese dinner, Mrs Wang.
–____________.
A. I’m glad you enjoyed it
B.Oh, I am afraid I didn’t cook very well
C.Come again when you are free
D.It’s not necessary for you to say so
( )负责一级房地产估价机构资质许可。
A.国务院
B.建设部
C.中国房地产估价师与房地产经纪入学会
D.省级政府建设行政主管部门