A number of theories have been proposed to explain the situation.

admin2011-04-14 77

问题 A number of theories have been proposed to explain the situation.

选项 A、suggested
B、tested
C、used
D、announced

答案A

解析本题难度不大，干扰项干扰性不大，propose和suggest都有“建议”的意思，最佳答案是A。

转载请注明原文地址:https://www.kaotiyun.com/show/LmQd777K

职称英语理工类C级

相关试题推荐

随机试题

最新回复(0)