GMAT精讲精练班语法笔记（二）

　　GMAT精讲精练班语法笔记（二）

　　Practice1-6

　　6. Past assessments of the Brazilian rain forest have used satellite images to tally deforested areas, where farmers and ranchers have clear-cut and burned all the trees, but such work has not addressed either logging, which is the removal of only selected trees, as well as surface fires, burning down individual trees but do not denude the forest.

　　A.which is the removal of only selected trees, as well as surface fires, burning

　　B.which removes only selected trees, or surface fires that burn

　　C.which removes only selected trees, along with surface fires that burn

　　D.removing only selected trees, or surface fires, burning

　　E.removing only selected trees, as well as surface fires that burn

　　either … or …

　　but的谓语动词平行

　　Practice1-7

　　7. By sucking sap from the young twigs of the hemlock tree, tree growth is retarded by the woolly adelgid, causing needles to change color from deep green to grayish green and to drop prematurely.

　　A.tree growth is retarded by the woolly adelgid, causing needles to change color from deep green to grayish green and to drop

　　B.tree growth is retarded by the woolly adelgid, and this causes the color of needles to change from deep green to grayish green, and their dropping

　　C.the woolly adelgid retards tree growth, which causes needles to change color from deep green to grayish green, and dropping

　　D.the woolly adelgid retards tree growth, causing needles to change color from deep green to grayish green and to drop

　　E.the woolly adelgid retards tree growth, and this causes the color of needles to change from deep green to grayish green, and the their dropping

　　尽量避免用this, that, these, those单独做主语。

　　错：This is good. I like this. I like that.

　　Practice1-8

　　8. Faulty voting equipment, confusing ballots, voter error, and problems at polling places have been cited by a new study of the 2000 United States presidential election, which estimated that they did not count 4 million to 6 million of the 100 million votes cast.

　　A.Faulty voting equipment, confusing ballots, voter error, and problems at polling places have been cited by a new study of the 2000 United States presidential election, which estimated that they did not count 4 million to 6 million of the 100 million votes cast.

　　B.Citing faulty voting equipment, confusing ballots, voter error, and problems at polling places, a new study of the 2000 United States presidential election has estimated that 4 million to 6 million of the 100 million votes cast were not counted.

　　C.Citing faulty voting equipment, confusing ballots, voter error, and problems at polling places, 4 million to 6 million of the 100 million votes cast were not counted in the 2000 United States presidential election, a new study estimates.

　　D.A new study has cited faulty voting equipment, confusing ballots, voter error, and problems at polling places in estimating that 4 million to 6 million of the 100 million votes that were cast had not been counted in the 2000 United States presidential election.

　　E.A new study of the 2000 United States presidential election, citing faulty voting equipment, confusing ballots, voter error, and problems at polling places, has estimated 4 million to 6 million votes had not been counted of the 100 million votes cast.

　　A of B结构被修饰，根据逻辑意思修饰A或B

　　Practice1-9

　　9. The ancient Anasazi harvested such native desert vegetation as the purple-flowered bee plant, what they now commonly call wild spinach in northern Arizona and other parts of the southwestern United States.

　　A.what they now commonly call

　　B.a plant that they now commonly call

　　C.now commonly called

　　D.and is now commonly called

　　E.which it is now commonly called

　　the+民族 表示复数

　　参考：OG2015-23题，OG2015-69题

　　同位语：

　　名词解释名词

　　从句解释名词

　　名词概括句子

　　名词重复名词

　　代词解释名词

　　69. Affording strategic proximity to the Strait of Gibraltar, Morocco was also of interest to the French throughout the first half of the twentieth century because they assumed that if they did not hold it, their grip on Algeria was always insecure.

　　(A) if they did not hold it, their grip on Algeria was always insecure

　　(B) without it their grip on Algeria would never be secure

　　(C) their grip on Algeria was not ever secure if they did not hold it

　　(D) without that, they could never be secure about their grip on Algeria

　　(E) never would their grip on Algeria be secure if they did not hold it

　　23. The Iroquois were primarily planters, but supplementing their cultivation of maize, squash, and beans with fishing and hunting.

　　(A) but supplementing

　　(B) and had supplemented

　　(C) and even though they supplemented

　　(D) although they supplemented

　　(E) but with supplementing

　　Practice1-10

　　10. To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.

　　A.have to know a great deal more than now about the social and economic

　　B.have to know a great deal more than they do now about the social and economical

　　C.would have to know a great deal more than they do now about the social and economical

　　D.would have to know a great deal more than they do now about the social and economic

　　E.would have to know a great deal more than now about the social and economical

　　economic 经济的

　　economical 节约的

　　比较考点：

　　1. 谁和谁比

　　2. 比什么

　　比较中省略的原则：

　　相同部分可以省，不同的部分一定不能省。省略之后句子意思不能有歧义。