The gyrfalcon, an Arctic bird of prey, has survived a close brush with extinction; its numbers are
now five times greater than when the use of DDT was sharply restricted in the early 1970's.
(A) extinction; its numbers are now five times greater than
(B) extinction; its numbers are now five times more than
(C) extinction, their numbers now fivefold what they were
(D) extinction, now with fivefold the numbers they had
(E) extinction, now with numbers five times greater than
GWD28-Q8:
In the Louisiana Purchase of 1803, the United States acquired 828,000 square miles for about four cents an acre, which more than doubled the country’s size and that brought its western border within reach of the Pacific Ocean.
A. In the Louisiana Purchase of 1803, the United States acquired 828,000 square miles for about four cents an acre, which more than doubled the country’s size and that brought
B. For about four cents an acre the United States acquired, in the Louisiana Purchase of 1803, 828,000 square miles, more than doubling the country’s size and it brought
C. With the Louisiana Purchase in 1803, the United States acquired 828,000 square miles for about four cents an acre, more than doubling its size and bringing
D. The United States, in the Louisiana Purchase of 1803, for about four cents an acre, acquired 828,000 square miles, more than doubling the country’s size, bringing
E. Acquiring 828,000 square miles in the Louisiana Purchase of 1803, the United States bought it for about four cents an acre, more than doubling the country’s size and bringing
例如og102. Except for a concert performance that the composer himself staged in 1911, Scott Joplin\'s ragtime opera Treemonisha was not produced until 1972, sixty-one years after its completion.
(A) Except for a concert performance that the composer himself staged（正确答案）
(B) Except for a concert performance with the composer himself staging it（可以推断此句中with希望与that同样表限定，此选项的错误点在staging时态问题。此外，With后可以用doing形式，不过with短语是作为副词作状语，不能修饰名词，参照og192选项D）
(E) With the exception of a concert performance with the staging done by the composer himself（表达的不简洁）
例如og78. The root systems of most flowering perennials either become too crowded, which results in loss in vigor, and spread too far outward, producing a bare center.
(C) with the result of loss of vigor, or spreading（应用with结构不存在正确性问题，只是相对resulting不简洁。而且可以推断此处with结构与which与resulting均表非限定）
(D) resulting in loss of vigor, or spread。（正确答案）
5）with短语作副词时不可以修饰名词，
例如og192. Cajuns speak a dialect brought to southern Louisiana by the four thousand Acadians who migrated there in 1755; their language is basically seventeenth-century French to which has been added to English. Spanish. and Italian words.
（C）to which English, Spanish, and Italian words have been added（正确答案）
（D）with English, Spanish, and Italian words having been added to
it （with短语作副词时不可以修饰名词。此外，having done永远不可以做后置定语修饰名词！这条可以作为绝对错误原则，排除选项！）
