单选题
The writer thinks that academic work has recently become more specialized because
A、
more people are studying sciences.
B、
a greater variety of subjects is studied.
C、
more students are doing postgraduate work.
D、
the number of universities has increased.
【正确答案】
B
【答案解析】
[解析] 从第5段第1句可推出[B]为正确答案。其他各项皆无。
提交答案
关闭