第一节:单项填空(共15小题;每小题1分,满分15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。
21.Today CCTV offers a _______of programmes to satisfy different needs and _______.
A.many; interests B.number; habits C.variety; tastes D.deal; likes
22.If we know more about _______causes the problem, we may take measures before it is _______late.
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
21.Today CCTV offers a _______of programmes to satisfy different needs and _______.
A.many; interests B.number; habits C.variety; tastes D.deal; likes
22.If we know more about _______causes the problem, we may take measures before it is _______late.