一.单项选择(共20小题;每小题1分,满分20分)
从A、B、C、D 四个选项中,选出可以填入空白处的最佳选项。
1.  Teaching ______ child to cook will improve many of ______ skills that he or she will need later in life.
A. /; the          B. a; the          C. the; the         D. the; a
2.       There is far less than _______ rain this year, so some provinces in Southwest China are suffering from severe drought.
A.     efficient      B. permanent      C. adequate     D. extra