What does the author say about companies and special interest groups? ( )

They try hard to pull down the safeguards for research.

They make extra efforts to research their own products.

They provide valuable resources for scientific research.

They reap the most benefits from scientific research

正确答案：C

What do some people think of aging adults? ( )

What does the author advise us to do in the last paragraph? ( )

What can we do when we become better able to provide ourselves with the desired approval?

What may account for our need to be liked or approved of? ( )

What will happen if we base our self-worth on other people's approval? ( )

What can we conclude from Lao Zi's quotation?( )

What is the main message of the article?( )

Which of the following is NOT a benefit of information flow anddata democratization inagriculture?( )

How does digital technology help bridge the communication gapbetween farmers and markets?

What is the main problem that prevents African smallholdersfrom tapping into the $40 billionmarket?( )