定量分析被测眼立体视功能,采用()。
A、注视差异视标
B、马氏杆视标
C、垂直对齐视标
D、立体视视标
参考答案:D
My husband could not be here tonight, but I want to thank you ________ him. [ ]
A. on behalf of
B. stand for
C. because of
D. for the benefit of
一个班有50个学生,有两个学生同月同日生的概率最接近下面哪个选项()
A.14%
B.53%
C.97%