【单选题】Disposable products are not beneficial to the development of modern industry.
【判断题】物流采购市场调查分为调查准备阶段、调查实施阶段和调查结果处理阶段3个阶段。
【单选题】The main idea of paragraph 3 is that ______.
A.
modern industry is developing
B.
the population has grown
C.
there are only written exams
D.
examinations are now written and timed
【单选题】It was an important medium for modern industry technology to transfer______ foreign countries to Africa.