68．According to the passage，the greatest challenge to the new high-speed railway plan is ．
Answer key
C
According to the passage，the…——2010 高考英语第 64 题答案解析
2010_江苏卷 (英语)
题目指纹
这道题真正考什么？
difficulty
Differentiating
2010_江苏卷 (英语)
68．According to the passage，the greatest challenge to the new high-speed railway plan is ．
C