第一节：单项填空（共15小题；每小题1分，满分15分）
1. It is reported that the United States uses ______ energy as the whole of Europe.
A. as twice B. twice much
C. twice much as D. twice as much
2. — How often do you eat out?
— ______, but usually no less than once a week.
A. Have no idea B. It all depends
C. As usual D. Generally speaking
