1. The audubon Society and other conservation groups. concerned over what they (have preceived to be the serious threatening of the environment as) posed by the policies of the government are preparing for a major political effort.
a. have perceived to be the serious threatening of the environment as
b. perceived as the serious threat to the environment as
c. perceive being the serious threat to the environment
d. are perceiving as the serious threatening of the environment
e. perceive as the serious threat to the environment
2. Until quite recently, American presidents lived in a world in which the public and private realms of their lives were largely separate, (and thr press cooperated in maintaining the distinction, and ) Amercian judged national leaders without receiving, or expecting, intimate information about them.
b. where the press cooperated in maintaining hte distinction, and where
e. in whic the press cooperated in maintaining the distinction, and in which
3.On the Great Plans, nineteenth-contury (settlers used mud and grass to build their homes, doing it without) timber and nails.
a.
b. settlers,using mud and grass to build their homes, did it without
c. settlers used mud and grass to build their homes, making them while not having
d. settlers used mud and graa to build their homes, making do without
e. settlers' homes were built of mud and grass, making do without
4. Bob Wilber became Sidney Bechet's student and protege when he was 19 and, for a few years in the 1940's, came as close to being a carbon copy of the jazz viruoso in performance (as anyone has ever come.)
a.
b. as anyone ever had been
c. as anyone ever had done
d. that anyone ever did
e. that anyone ever came
5. New techniques in thernal-scanning photography, a process that records radiation from surface areas, (makes it possible to study the effects of calefaction, or warming, of a river in greater detail than ever before.)
b. make it possible to study, in greater detail, the effects of calefaction, or warming, of a river than ever before.
c. have made it possible to study in greater details than ever before the effects of calefaction, or warming, of a river
The answers are EEDAC, corrspondingly.作者: 猫猫头 时间: 2002-11-1 12:59
1、A、threating不对 B、过去时不对 C、being不对 D、同A
2、in which 与前面平行呀
3、make do 是固定用法，在GMAT中，do it never be righ作者: 猫猫头 时间: 2002-11-1 13:04
