一、单项选择（共10 小题；每小题0.5 分，满分5 分）
1. I haven’t seen ______ Maggie since I came here.
A. so a lovely girl as B. as lovely a girl as
C. such girl as lovely as D. as a lovely girl as
2. It is reported that Americans eat too much protein every day, ______ as they actually need.
A. as twice much B. twice much as
C. as much twice D. twice as much
3. Race walking shares many fitness benefits with running, research shows, while most likely contributing to fewer injuries. It does, ______, have its own problem.
A. therefore B. however C. moreover D. otherwise
