单选题：Since it is gradually more and more difficult to find oil,

  • 题目分类：英语六级
  • 题目类型：单选题
  • 号外号外：注册会员即送体验阅读点！
题目内容：
Since it is gradually more and more difficult to find oil, the petroleum scientists have to move to the more hostile places in the future.
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：

Questionsare based on the following passage.In recent decad

Questionsare based on the following passage.In recent decades, there is a phen

分类：英语六级  题型：单选题
查看答案

Which of the following statements about Mr．Bush is mentioned

Which of the following statements about Mr．Bush is mentioned in this passage?A．M

分类：英语六级  题型：单选题
查看答案