18. Electoral politics in the United States has been dominated by two political parties since the administer of George Washington
答案是D,怎么改?
19.Art Deed, a style of design popular in the 1920's and 1930's, was used primarily in furniture, jewel, textiles, and interior decoration.
C, 改成jewelry吗?是不是jewel的复数形式是jewelry?
31.Statistics indicate that approximate every 22 years--within a range of 3 to 4 years--a Amajor drought occurs in the United States
A 是改为indicates吗?为什么B不是approximately? 副词修饰时间状语every 22 years阿。我总区分不了approximate和approximately地用法。
32。The work of Sarah Oarne Jewet, care-nineteenth-century writer, reflects a concern in the alienating consequence,of condustrialization and urbanization
C,怎么改?
38。Animals have to cope with and control physical and chemical processes that do not necessarily act to benefit of the animal
D,怎么改,改成to the benefit吗?
39. By 1810 the 23 towns of Hampshire County, Massachusetts, had reached a remarkable uniform of economic development as well as population density
D,怎么改?我想由于前面uniform是单数,这里不能用as well as 呢,而用or, rather than之类的呢?