[单项选择]Why was the plant hemp essential to world -wide trade in the past

[单项选择]Why was the plant hemp essential to world-wide trade in the past

[单项选择]Why was tee plant hemp essential to world-wide trade in the past

[单项选择]Why was the plant hemp essential to worldwide trade in the past

[单项选择]Why was hemp banned
A. It is related to the marijuana plant.
B. It can be used to produce marijuana.
C. It was not longer a useful crop.
D. It was destructive to the land.

[单项选择]Why was hemp banned in the United States
A. Because it can produce marijuana.
B. Because it is poisonous.
C. Because it is related to the marijuana plant.
D. Because it is harmful to human body.

[单项选择]Why do agriculturalists think that hemp would be better for paper production than trees
A. It is cheaper to grow hemp than to cut down trees.
B. More paper can be produced from the same area of land.
C. Hemp produces higher quality paper.
D. It causes less pollution of the environment.

[单项选择]Why do some people think hemp is better than trees for paper industry
A. It is cheaper to grow hemp than to cut down trees.
B. More paper can be produced from the same area of land.
C. Hemp planting can beautify the environment.
D. Hemp can produce paper of high quality.

[单项选择]Why was hemp banned A. It is related to the marijuana plant. R. k eau be used to produce marijuaua. C. It was no longer a useful crop. D. It was destructive to the land.

[单项选择]The main difference between the World Wide Web and the Internet is that______.

[单项选择]

Text 2 The World Wide Web has been steadily creating a widespread surge in social capital through E-mail conversations, chat rooms, newsgroups, and e-zones. These ongoing connections are not an underground phenomenon, but a mainstream movement that is rapidly overwhelming traditional business models, according to the authors of another recent book, The Cluetrain Manifesto. "Our longing for the Web is rooted in the deep resentment we feel towards being managed," writes co-author David Weinberger, a columnist and commentator on the Web’s effect on business. The Cluetrain Manifesto argues that knowledge workers are finding it intolerable that their employers require them to speak in artificial "business voices". The Web has become the ideal alternative: a public place where people can converse in their "authentic voices", outside of an organization’s official communications channel. Some of the social capital generated by these indepe
A. helping with.
B. creating by.
C. substituting for.
D. arising from.