Johnson’s paper ______three processes for generating hydrogen in fuel cells.

admin2011-05-20 36

问题 Johnson’s paper ______three processes for generating hydrogen in fuel cells.

选项 A、compares
B、comparisons
C、is compared
D、was a comparison

答案A

解析从上下文我们可以看出横线上需要的是一个动词，所以首先将comparisons排除。再看横线后面紧跟宾语(three processes)，所以主动语态的compares是符合要求的正确选项。

转载请注明原文地址:https://kaotiyun.com/show/s4id777K

托业阅读

相关试题推荐

随机试题

最新回复(0)