1.【2019·江苏卷·单项填空】23.The doctor shares his phone number with the patients __________ they need medical assistance.
A. if only B. as if C. even though D. in case
【答案】D
【解析】考查状语从句的连词。句意：医生给了病人他的手机号码，以防病人需要医疗援助。A. if only要是…多好；B. as if好像，仿佛；C. even though即使，尽管；D. in case以备，以防，免得。故选D。
2.【2019·天津卷·单项填空】13.Tom is so independent that he never asks his parents' opinion _________ he wants their support.
A. since B. once
C. unless D. after
【答案】C
【解析】考查连词辨析。句意：汤姆是如此独立，以至于他从来不征求父母的意见，除非他想得到他们的支持。since因为；once一旦；unless除非；after在……之后，根据题意，故选C。
