单选题：It can be inferred from the passage that which of the follow

题目内容：

It can be inferred from the passage that which of the following was the prime goal in scientists' searching for organic means of producing plastic?

参考答案：

答案解析：

The passage implies that which of the following is true of t

The passage implies that which of the following is true of the petrochemical mea

分类：GRE 题型：单选题

分类：GRE 题型：单选题

根据以下资料回答题The author thought of his friend's question as a good one because ____

分类：GRE 题型：单选题

Routing：BEIJING，CHINA(BJS)To ATLANTA，U．S．A．(ATL)Commodity：MONKEYSCargo Weight：TO

分类：GRE 题型：单选题

分类：GRE 题型：单选题