Sure! Here are the answers to the questions based on the passage you provided:

### Questions and Answers:

1. **Does UNICEF serve children of all religions in developing countries?**
Yes, UNICEF serves children of all races, nationalities, religions, and political systems.

2. **What is UNICEF's purpose?**
UNICEF's purpose is to help provide a better life for children and their mothers through both long-term assistance and emergency help.

3. **How many people in the world today live in poor and hopeless conditions?**
Approximately 800 million humans live in conditions of poverty and hopelessness.

4. **What is one of the reasons millions of people die every year?**
Unsafe water is one of the reasons millions of people die every year.

5. **Does UNICEF help?**
Yes, UNICEF is helpful.

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### Rewrite the sentences:

1. **“Let’s go to the zoo,” children said.**
Children suggested going to the zoo.

2. **They will build more flyovers to reduce traffic in the city.**
More flyovers will be built to reduce traffic in the city.

3. **I don’t feel confident at interviews because my English is not very good.**
If my English were better, I would feel confident at interviews.

If you need further assistance, feel free to ask!