专八改错练习（1）英语专业八级改错练习题及答案解析(-).doc

专八改错练习（1）英语专业八级改错练习题及答案解析(-).doc专八改错练****1）
英语专业八级改错练****题及答案解析(-)
About half of the infant and maternal deaths in developing countries could
be avoided if women had used fami 1 y planning methods to prevent high risk
1
pregnancies, according to a report publishing recently by the Johns
Hopking 2
University.
The report indicates that 5. 6 mi 11 ion infant deaths and 2, 000, 000 maternal
Deaths could be prevented this year if women chose to have theirs children
3
within the safest years with adequate intervals among births and 1 imited
their 4
fami 1 ies to size.
This amounts to about half of the 9. 8 million infant and 370. 000 maternal
deaths in developing countries, excluded China, estimated for this year
by 5
the United Nation" s Children" s Fund and the US Centers for Disease
Control
respectably. China was excluded because very few births occur in the high
6
risk categories.
The report says that evidences from around the world shows the risk of
7
maternal or infant ill and death is the highest in four specific types
of 8
pregnancy; pregnancies before the mother is 18 year old; those after the
9
mother is 35 years old; pregnancies after four births; and those lesser than 10
two years apart.
参考答案及解析：
将 had used 改为 used。
因为此句是虚拟语气，表示与现在事实相反，故条件从句屮应使用一般过去时。
例如：
Many wou 1 d be wise if they did not think themselves wise・ 许多人原本会 成为聪明人一如果他们不自以为聪明的话。
将 pu