（2013四川卷）2. The traffic on the main streets has a longer green signal than ________ on the small ones.
A. one B. this C. that D. it
（2013浙江卷）11. Hal f of _____ surveyed in 16 countries say they go first to their closest friend to share their d eepest wishes and darkest fears.
A. these B. some C. ones D. those
（2013天津卷）1 2. At our factor y there are a few machines similar to ______ described in this magazine.
A. them B. these C. those D. ones
