3 . 阅读下面句子，根据句意，从方框中选择恰当的词或词组并用其正确形式填空。

Have an impact on                      reliable               submit                    reveal                 be responsible for Make up one’s mind                 barrier                 figure out            end up               competitive

1. You need a degree to be ________ in today’s job market.
2. We need more ________ information before we can take action.
3. The mountains acted as a natural ________ to the spread of the disease.
4. The movie we wanted to see was sold out so we ________ seeing a different one.
5. If you ________ something, it is your duty to deal with it and make decisions relating to it.
6. Those interested in the position should ________ their applications to the Student Union.
7. A survey of the British diet ________ that a growing number of people are overweight.
8. We had a very productive meeting because I felt we ________ a lot of problems.
9. Technological innovation ________ the country’s economy quite considerably.
10. Summer vacation is coming, but I can’t ________ where to take my vacation.