What you said ( ) the matter we are discussing.
A. have something to do at
B. has something to do with
C. had something to do with
D. has been something to do with

We should keep in mind()the feedback is very helpful fo...

单项选择题We should keep in mind()the feedback is very helpful for planning future meetings and events.
A. what
B. that
C. when

The investor should be aware of the limitations of the ...

单项选择题The investor should be aware of the limitations of the financial statement analysis()the annual report.
A. based on
B. basing on
C. base on

高校科研应采用以应用研究和发展研究来支撑基础研究的原则。（ ）A.正确B.错误

单项选择题高校科研应采用以应用研究和发展研究来支撑基础研究的原则。（ ）