题目

 Eat _______ cake you like and leave the others for _______ comes in late.      A. whichever; whoever                                 B. whatever; anyone      C. any; who                              D. no matter what; no matter who 答案：A18．深秋，为避免树上的桔子在夜间气温骤降时被冻伤，果农经常在傍晚给桔子树喷水，这是利用了水在凝固时（填物态变化名称），放出热量，使桔子不被冻伤．此外，果农家中使用的液化气是用压缩体积方法使气体液化的．