Here are the answers for each section:

**I. Choose the word whose underlined part is pronounced differently from that of the others:**
1. **A. jobs** (the other options have a different vowel sound)
2. **A. sky** (the other options have different vowel sounds)
3. **C. sleeps** (the "ee" sound is different from the others)
4. **B. see** (the other options have a different vowel sound)
5. **D. core** (the others have a different vowel sound)

**II. Choose the word whose main stress pattern is placed differently from the others:**
1. **A. swimming** (the other options have stress on the second syllable)
2. **A. model** (the others have stress on the first syllable)
3. **A. shuttlecock** (the other options have stress on the second syllable)
4. **A. tomorrow** (the other options have the stress on the last syllable)
5. **A. dangerous** (the other options have stress on different syllables)

Let me know if you need further assistance!