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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 |
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