5. In the past few years, the factory has substituted plastic for wood to reduce the costs.
6.There is no doubt that the government will take measures/action to prevent the spread of the disease.
7. Making full use of time doesn’t mean keeping reading books from morning till night .
三)抓主干
8. 这种从煤里提炼出的物质可以制成各种有用的东西.(take out of )
9. 虽然空气污染被公认为是这一地区最严重的问题, 然而当地政府采取的措施却不尽如人意.( take action)
8. The material taken out of the coal can be made into useful things of different kinds.
9. Although it is generally accepted that air pollution is the most serious problem in this area, the action that the local government is taking is far from satisfactory.
四.)添枝叶
10. 他近视的原因是连续四五个小时不停地看书. (keep )
11. 对于想要了解医学科学新的发展的人来说, 这本杂志是很有帮助的. (inform )
10. The reason why he became short-sighted/ near-sighted is that he kept reading for four or five hours .
11. This magazine is of great help to those who want to be informed of the latest development in medical science.