四级英语

If a farmer wishes to succeed, he must try to keep a wide gap between his consumption and his production. He must store a large quantity of grain 41 consuming all his grain immediately. He can continu...

2019年公共英语四级阅读练习题（6）Industrial safety does not just happen. Companies 41 low accident rates plan their safety programs, work hard to organize them, and continue working to k...

2019年公共英语四级阅读练习题（5）Until recently most historians spoke very critically of the Industrial Revolution. They 41 that in the long run industrialization greatly raised the stan...

2019年公共英语四级阅读练习题（4）Manpower Inc., with 560,000 workers, is the world’s largest temporary employment agency. Every morning, its people 41 into the offices and factories of...

2019年公共英语四级阅读练习题（3）Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals, including man.?They do no...

2019年公共英语四级阅读练习题（2）Sleep is divided into periods of so-called REM sleep, characterized by rapid eye movements and dreaming, and longer periods of non-REM sleep. 41 kind of ...

2019年公共英语四级阅读练习题（1）The first and smallest unit that can be discussed in relation to language is the word. In speaking, the choice of words is 41 the utmost importance. Prop...

2019年PETS四级阅读理解练习题2篇第一篇Sustainable development is applied to just about everything from energy to clean water and economic growth, and as a result it has become difficult t...

2019年公共英语四级阅读理解练习题2篇第一篇Early in the age of affluence (富裕) that followed World War Ⅱ，an American retailing analyst named Victor Lebow proclaimed, “Our enor...

2019年全国英语等级考试四级阅读练习题2篇第一篇Hawaii’s native minority is demanding a greater degree of sovereignty over its own affairs. But much of the archipelago’s political...