According to the author, applying biotechnology to industry
A. has brought about sustainable development.
B. proves to be nothing but an imagination.
C. will deprive most people of modern comforts.
D. contributes to the environmentally sound development.
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Study the following picture carefully and write an essay entitled "Celebrating Mothers Day". In your article, you should cover the following points. 1) describe the drawing, 2) interpret its symbolic meaning, and 3) give your comment. You should write 160—200 words neatly.
This is the reason______I am not in favor of revising the plan.
A. which
B. why
C. because
D. for
The advertisement made by Microsoft shows that _____.
A. a great number of jobs have been created in the U.S..
B. foreign workers are favored over domestic workers.
C. working visa is very hard to be issued to foreign workers.
D. many domestic workers will lose their jobs to foreigners.
聚氯乙烯防水卷材、氯化聚乙烯防水卷材每类产品按理化性能分类分为: ()