单选题：[A] The West Antarctic region was once an open ocean.[B] The

  • 题目分类：英语六级
  • 题目类型：单选题
  • 查看权限：VIP
题目内容：
[A] The West Antarctic region was once an open ocean.
[B] The West Antarctic ice sheet was about 7,000 feet thick.
[C] The West Antarctic ice sheet was once floating ice.
[D] The West Antarctic region used to be warmer than today.
参考答案：
答案解析：

[A] The low efficiency of their operation.[B] Competition fr

[A] The low efficiency of their operation.[B] Competition from other modes of tr

分类：英语六级  题型：单选题
查看答案

The predicted intergenerational warfare is unlikely because

The predicted intergenerational warfare is unlikely because most of the older pe

分类：英语六级  题型：单选题
查看答案

21.

21. A．Identify the suspect from picture B．Go upstairs to sign some documen C．Hav

分类：英语六级  题型：单选题
查看答案