我国汉族人红细胞D抗原阴性率为（）
A.0.04%
B.0.4%
C.4.0%
D.8.0%
E.40.0%
参考答案：B
智力成果权，也称知识产权，通常包括[ ]
①著作权
②安全保障权
③专利权
④商标权
A、①②③
B、①③④
C、①②④
D、②③④
The teacher _______ is talking with Jane is strict _______ us. [ ]
A. who; in
B. that; about
C. which; with
D. who; with
