성대 영어시험을 일요일날 나가는데 모르는 문제가.........

풀어주세요..!!! 해설도 좀 정확하게...^^

1. But ____________ the rain we would have had a nice holiday.
1) with 2) not 3) or 4) for 5) off
~~~~여기에서 But for 이라는 것이 ~~가 아니었더라면 이라는 뜻을 가지고 있나요??? with는 안 되나요?? 일부 사람들에게
비가 오면 휴가가 좋을 수도 있잖아요...(저도 비가 좋거든요....)

2. 본문: Many visitors to the United States think that Americans take their exercises and free time activities too seriously. Americans often schedule their recreation as if they were scheduling business appointments. They go jogging every day at the same time, play tennis two or three times a week, or swim every Thursday. Foreigners often think that this kind of recreation sounds more like work than relaxation. For many Americans, however, their recreational activities are relaxing and enjoyable, or at least worthwhile, because they contriute to health and physical fitness.
문제: 윗글의 주제는? 1) 여가활동에 대한 미국인의 태도
2) 미국인들의 여가활동에 대한 외국인의 태도
~~~~ 답은 1번이라고 하는데, 2번은 안 되나요?????

3. Islam was __________ by Mohammed, who recorded its fundamental beliefs in a book called Koran.
1) invented 2) discovered 3) found 4) founded 5) invaded
~~~~ 내용상으로 저는 3번을 했는데, 답을 4번이라네요.......단지 founded가 found의 과거형이라는 의미만 가지고 있나요??

4. A disease can affect more people when many people live close together in large groups than they can when people live in
in small groups that are not near other groups.
~~~~ 밑줄 친 부분 중 어디가 틀렸나요?? 저는 근본적으로 내용 이해가 잘 안 되던데..........

5. 본문: The sun is setting in asmall town in the United States. A young man and his father hear a distant voice call out words that in English mean, Allah is most great. I testify that there is no other God but Allah. I testify that Muhammad is the prophet of Allah. Come to prayer. Allah is the Arabic word for God. Each man rolls out a small rug, kneels on it, and begins to pray. These men are among the millions of people throughout the world who practice the religion of Islam.
문제: 밑줄 친 mean의 올바른 형태는?
1) mean2) means 3)meaning 4) to mean 5) is meant

5개 다 답변 좀 달아 주세요..~~~

감사합니다....^^ 꾸벅.....(^^;;;;;;)