几题英语选择题3，请英语高手帮忙解决一下。

1. You can’t see the show this week, because it was sponsored by dif¬ferent clients on _____ weeks.
A. alternate B. variable C. changing D. shifting
2. The theory is _____ by a number of nautical authorities because they think it’s useless for practice.
A. sacrificed B. dismissed C. removed D. penetrated
3. The musical was a bit boring to begin with, but after the it really improved.
A. pause B. break C. interval D. preparation
4. He was determined to see her, —_____ weather conditions weren’t going to keep him away.
A. only B. sole C. all D. mere
5. There is __________ new evidence that the hole in the ozone layer may be much worse than was first thought.
A. brand B. completely C. incredible D. startling
6. He drinks too much. On one _____ I saw him drinking a whole bottle of vodka.
A. case B. occasion C. point D. time
7. Whatever his _____ as a husband, I think he is a good father to his children.