第二部分：词汇知识运用（共两节，满分30分）
第一节：多项选择（共10小题；每小题1分，满分10分）
21. ―Could I use your computer for a few moments, please?
― _____. I’m not using it myself.
A. Come on B. Go ahead C. It depends D. That’s great
22. We arranged to meet at 8:00 , but she never__________.
A. turned up B. turned down C. turned off D. turned over
23. Our earth is getting warmer and warmer. It is time for us to_____ the emission(排放) of CO2.
A. break down B. cut in C. cut down D. cut off
24. Children need a lot to grow up, but ________ they need love and care.
A．above all B．in all C．at all D．after all
25. When Mr. Smith took over the company, it was already heavily______ and had no money to pay the workers.
