《大学英语自学教程》(下)1-15单元常考句子和重点句型.doc

《大学英语自学教程》（下）1-15单元常考句子和重点句型 Unit 1 常考句子： 1．A decision is a choice made from among alternative courses of action that are available. 2．Often managers must make a best guess at what the future will be and try to leave as little as possible to chance. 3．If there is no choice; there is no decision to be made. 4．For managers every decision has constraints based on politics, procedures, laws, precedents and the like. 5． For example, managers sometimes treat problems in an either/or fashion. 6．Decision makers must have some way of determining which of several alternatives is best– that is, which contributes the most to the achievement of organizational goals. 7．In the larger scheme of things, however, increased funding for research to improve the products might be more beneficial to the organization. 8．Some of these objectives are more important than others, but the order and degree of importance often vary form person to person and from department to department. Unit 2常考句子： 1．Astronomers and scientists think that a black hole is a region of space into which matter has fallen and from which nothing can escape. 2．The theory is that some stars explode when their density increases to a particular point. 3．Some people think that the Start of Bethlehem could have been a supernova. 4．If a man fell into a black hole, he would think that he reached the center of it very quickly. 5．It is only recently that astronomers have begun specific research into black holes. 6． On the other hand, scientists have suggested that every advanced technology could one day make use of the energy of black holes for mankind. Unit 3 常考句子： 1．Affected with a serious disease, van Wendell was no longer able to speak clearly and he knew there was no hope of recovery and that his condition was rapidly deteriorating. 2. Van Wendell’s last three months of life before being given a final, lethal injection by his doctor were filmed and first shown on television last year in the Netherlands. 3. The programme