标题: 求助！prep2012sc7 [打印本页] 作者: 大C大C 时间: 2015-10-20 23:26 标题: 求助！prep2012sc7 求助一道语法题 怎么想都不明白B错在哪
Prep2012-Pack1-SC-007 VSC002364 EASY
It is the powerful compound capsaicin that makes a chili pepper hot; a single drop that has no taste and odor is capable of detection by humans at one part per million.
A. a single drop that has no taste and odor is capable of detection
B. a single drop is detectable, though without taste and odor,
C. a single tasteless and odorless drop can be detected
D. single tasteless and odorless drops are capable of detection
E. single drops that have no taste or odor can be detectable作者: branxu 时间: 2015-10-20 23:35
同位语结构不是完整句子，这道题A选项是正确的同位语结构。B中出现了is，构成了完整的主谓结构，杀作者: 大C大C 时间: 2015-10-20 23:59