GMAT语法知识点讲解：than用法.

　　在GMAT语法复习中，经常会看到than，虽然常见，但是对于than用法这一常见GMAT语法知识点并不是十分了解，为此澳际小编特收集整理了than这一GMAT语法知识点分享给大家，希望对大家有所帮助，文中观点仅供参考。

　　一、more/ less/ adj+er than

　　注：此分析未包括as/like

　　(1) 主语比较

　　1.1 than前若有宾语，则其后的助词需补出，时态要据后定。主语相同可省

　　1. The pay of senior executives increased in 1990 by a larger percentage than did the wages of other salaried workers.

　　2. As a result of the continuing decline in the birth rate, fewer people will enter the labor force in the 1980’s than did in the 1960’s and 1970’s, a twenty-year period during which people born after the war swelled the ranks of workers. (主语people相同且无定语成分则省之，但did不能省)

　　3. Several studies have found that the coronary patients who exercise most actively are at least fifty percent less likely than those who are sedentary to die of a heart attack.(主语相同且有定语成分，必须要that/those来指代)

　　1.2 than前只有BE + ADJ，则其后的主语无须补助词。

　　1. Even though Bela Bartok’s music has proved less popular than Igor Stravinsky’s and less influential than Arnold Schonberg’s, it is no less important.

　　1.3 than前有两个动词，比较主语无须补助词。

　　1. A study commissioned by the Department of Agriculture showed that if calves exercise and associate with other calves, they have require less medication and gain weight more quickly than those raised in confinement.

　　(2) than后名词前的介词要补出

　　1. Aging is a property of all animals that reach a fixed size at maturity, and the variations in life spans among different species are far greater than those among individuals of the same species: a fruit fly is ancient at 40 days, a mouse at 3 years, a horse at 30, a man at 100, and some tortoises at 150. 介宾的比较。

　　(3) 宾语比较，一般加that/those

　　1. In addition to having more protein than wheat does, rice has protein of higher quality than that in wheat, with more of the amino acids essential to the human diet. (B-p106-19)

　　(4) 宾语补语，比较结构修饰宾语，无须补出助词;

　　1. In his eagerness to find a city worthy of Priam, the German archaeologist Schliemann cut through Troy and uncovered a civilization a thousand years more ancient than the city known to Homer’s heroes.

　　(5) likely引导的表语比较

　　1. St. John’s , Newfoundland, lies on the same latitude as Paris, France, but in spring St. John’s residents are less likely to be sitting at outdoor cafes than to be bracing themselves against arctic chills, shoveling snow, or seeking shelter from a raging northeast storm.

　　(6) 宾语+介词混合结构：

　　1. Although Napoleon’s army entered Russia with far more supplies than for any previous campaign, it had provisions for only twenty-four days.

　　(7) 句子的比较

　　1. In Japan elderly people are treated with far greater respect than they are in most Western countries.

　　2. For many travelers, charter vacations often turn out to cost considerably more than they originally seemed.

　　(8) than ever, than anticipated/ estimated…

　　1. The report on the gross national product—the nation’s total production of goods and services—showed that second-quarter inflation was somewhat lower than previously estimated and that the savings rate was slightly higher.

　　(9) more than, less than 及其他。

　　9.1 视同副词

　　1. Founded in 1983, the magazine has since more than doubled its circulation and its advertising.

　　2. The number of undergraduate degrees in engineering awarded by colleges and universities in the United States more than doubled from 1978 to 1985.

　　9.2 视同形容词

　　9. No less an authority than Walter Cronkite has reported that half of all Americans never read a book.

　　10. IRS provision 354-B requires that an S corporation with assets of greater than $200,000 send W-2 forms to its full-and part-time employees on or bore Jan.31.

1. The visiting pharmacologists concluded that the present amalgam of Chinese and Western medicine is probably as good as, or better than, any other system that might be devised for the patients treated at the Nan Kai hospital in Tian-jing.

　　2. The use of chemical pesticides in this country is as extensive as it was ten years ago, if not more so.

　　二、非比较，但与比较相关：

　　1. According to surveys by the National Institute on Drug Abuse, about 20 percent of young adults used cocaine in 1979, twice the number reported in the 1977 survey. 同位语

　　2. Of the twin supernovas, the more recently discovered it the larger, but it is the smaller one that has irrevocably altered astronomists’ ideas about the origins of the universe.

　　以上就是than这一GMAT语法知识点的相关应用，希望对大家的复习有所帮助，考生朋友在复习的过程中遇到than的时候也可以适当关注下，最后祝大家都能考出好成绩。