标题: 大全 391 [打印本页] 作者: Snazzy 时间: 2004-1-9 23:06 标题: 大全 391 391. In large doses, analgesics that work in the brain as antagonists to certain chemicals have caused psychological disturbances in patients, which may limit their potential to relieve severe pain. (A) which may limit their potential to relieve (B) which may limit their potential for relieving (C) which may limit such analgesics’ potential to relieve (D) an effect that may limit their potential to relieve (E) an effect that may limit the potential of such analgesics for relieving
Isn't D better than E?作者: thornbirdcfa 时间: 2004-1-9 23:16
in D "their" is unclear and can refer to both patients and analgesics. That's why E particularly use the phrase-- such analgesics-- to make it clear.作者: Snazzy 时间: 2004-1-10 02:03
thanks, i always forget it.