细胞病理学创立于()。
A.16世纪
B.17世纪
C.18世纪
D.19世纪
E.20世纪
参考答案:D
We wondered _____ the boys' team _____ the girls' team the day before. [ ]
A. what; has lost to
B. whether; had lost to
C. if; lost to
D. if; had lost
通常无线规划时制定95%的区域覆盖概率意味着相应的小区边缘置信度(边缘覆盖率)接近于()。
A、99%
B、90%
C、75%
D、60%