请教语法题

francisyueUID: 2168089

It was the split of  eleven southern states from the United States in 1861 that leading to the Civil War in the  United States alternate.
答案是B。难道不是强调句吗？我觉得LEADING也错了。B是怎么回事？

In the early nineteenth century, the Cherokee nation of American Indians was adopted a written constitution based on that of the US.
为什么选D。adopt后面不接to吗？

Astronauts receive extensive training to prepare themselves both physically and psychologically  for complexity and rigor for a space mission.
D为什么错了

The Alaskan Highway was officially opened Nov.20,1942, although much more work needed be done to complete it.
这里为什么D错了？


In the between 1918 and 1939,various political economic, and geographic factors combined in determine the extent to which a country developed civil aviation.
B错了。这句话什么意思

[ Last edited by francisyue on 2005-12-19 at 14:32 ]

yuhang3650UID: 2165177

第一题的D选项呢，我记得好象是alternative
第二题不知道
第三题加the
第四题need to

cis31UID: 2134397

第二题B选项划线的应是was adopted,去掉was,语态应为主动.

九天玄鸡UID: 193245

第五题 determine->determining
PS: 不是adapt to 吗?什么时候有adopt to 了?

francisyueUID: 2168089

谢谢诸位

hypocricyUID: 2165571

第一题是C吧

hypocricyUID: 2165571

三楼说得对

Ilove10UID: 203754

B split是动词不能用于n. of n.结构
B was adopted -> adopted
D complexity前加the，单数可数名词不能单独存在
D needed -> needed to
B determine -> determining