140.As the housing affordability gap widens, middle-income families are especially hard-hit, and these families can no longer qualify to buy homes, and rising rental rates force them to use far more than the standard 25 percent of their incomes for housing, leaving them with no equity or tax write-offs to offset the expenditures.

(A) and these families can no longer qualify to buy homes, and

(B) since these families can no longer afford to buy homes, furthermore

(C) for these families can no longer afford to buy homes, yet

(D) and these families can no longer afford to buy homes; however,（C）

(E) and these families can no longer afford to buy homes, for

这道题我选B

1.      As U.S. nuclear attack submarines prowl their familiar haunts deep within the oceans of the world these days, they increasingly are engaged in missions far different from the tasks for which they were built and for which their crews were trained over the last forty years.

(A) they increasingly are engaged in missions far different from the tasks for which they were built

(B) the missions they increasingly engage in are far different than the tasks they were built for

(C) they engage increasingly in missions that differ significantly from the tasks they were built for

(D) the missions they engage in are increasingly different than the tasks for which they were built（A）

(E) they increasingly engage in missions far different than the tasks for which they were built

我选D

2.      At the beginning of the year, the city allocated $150 million to cover the increase in wages that it expected to approve as a result of negotiations with the municipal labor unions.

(A) increase in wages that it expected to approve as a result of negotiations

(B) increased wages it expected to approve from negotiations

(C) increasing wages expected to be approved as a result of negotiating

(D) negotiated increases in wages it expected to approve（A）

(E) increases expected to be approved in wages from negotiating

D为什么不对呢？

3.      Because Halley’s comet changes orbit slightly during the seventy-six-year interval between passing close to Earth, it may veer onto a collision course with a planet sometime in the distant future.

(A) between passing

(B) of passing

(C) between its passes

(D) of its passes（C）

(E) as it passes

A为何错？

4.      Because the financial review covered only the last few fiscal years, and therefore the investigators were unable to determine the extent to possible earlier overpayments.

(A) and therefore the investigators were unable to determine the extent to possible

(B) so therefore the investigators were not capable of determining the possible extent of

(C) therefore the investigators were unable to determine the possible extent of

(D) the investigators were not capable of determining the possible extent of（E）

(E) the investigators were unable to determine the extent of possible

是不是说possible extent of 更好呢？

5.      Believed to originate from a small area on their foreheads, elephants emit low-frequency sounds that may be used as a secret language to communicate with other members of the herd.

(A) Believed to originate from a small area on their foreheads, elephants emit low-frequency sounds that may be used

(B) Elephants emit low-frequency sounds that are believed to originate from a small area on their foreheads, and they may use this

(C) Elephants emit low-frequency sounds, believed to originate from a small area on their foreheads, that they may use

(D) Originating, it is believed, from a small area on their foreheads; elephants emit low-frequency sounds they may use（C）

(E) Originating, it is believed, from a small area on their foreheads, low-frequency sounds are emitted by elephants that may be used

that 可以跳跃修饰吗？

6.      Bob Wilber became Sidney Bechet’s student and protégé when he was nineteen and, for a few years in the 1940’s, came as close to being a carbon copy of the jazz virtuoso in performance as anyone has ever come.

(A) as anyone has ever come

(B) as anyone ever had been

(C) as anyone ever had done

(D) that anyone ever did（A）

(E) that anyone ever came

如果是A,那不是混用过去时和现在时了吗？

7.      Building large new hospitals in the bistate area would constitute a wasteful use of resources, on the basis of avoidance of duplicated facilities alone.

(A) on the basis of avoidance of duplicated facilities alone

(B) on the grounds of avoiding duplicated facilities alone

(C) solely in that duplicated facilities should be avoided

(D) while the duplication of facilities should be avoided（E）

(E) if only because the duplication of facilities should be avoided

A、B为何错？

8.      Bill Walton continued on playing, even though he had injuries that recurred over and over again, always hoping to return back to his position as a regular starter in the game he loved.

(A) on playing, even though he had injuries that recurred over and over again, always hoping to return back

(B) playing, in spite of recurrent injuries, always hoping to return

(C) playing, though injured over and over, and he was always hoping to return back

(D) on playing, even with injuries that recurred, and always hoped to return（B）

(E) to play, despite recurring injuries, hoping that the return

B