Sure! Here are the answers to your questions:

**Ex1: Choose the word whose underlined part is pronounced differently.**

0. A. move B. lose C. love D. tomb
**Answer: C. love** (The 'o' in love is pronounced differently than the 'oo' in move and lose, and 'o' in tomb is pronounced as 'oʊ').

1. A. character B. ache C. channel D. chorus
**Answer: B. ache** (The 'a' in ache is pronounced as 'eɪ', while the others have different vowel sounds).

2. A. bomb B. debt C. cucumber D. doubt
**Answer: C. cucumber** ('cu' in cucumber is pronounced differently compared to the vowel sounds in bomb, debt, and doubt).

3. A. thorough B. within C. threaten D. breath
**Answer: A. thorough** (The 'ough' in thorough is pronounced as 'ɜr', while the others have different vowel sounds).

4. A. wicked B. united C. increased D. attended
**Answer: B. united** (The stress on the second syllable in 'united' contrasts with the other words).

5. A. wound B. shoulder C. soul D. poultry
**Answer: C. soul** (The 'ou' in poultry is pronounced differently from the vowel sound in soul, as well as the other words).

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**Ex2: Choose the word whose stress position is different from the others’.**

1. A. industry B. interview C. inherit D. interesting
**Answer: C. inherit** (The stress is different; 'inherit' has the stress on the second syllable, while the others have the first syllable stressed).

2. A. manufacture B. museum C. congratulate D. promotion
**Answer: B. museum** (The stress in 'museum' is on the second syllable, while others are primarily on the last syllables).

3. A. because B. concentrate C. society D. enormous
**Answer: A. because** (The stress in because is primarily on the second syllable, while the others typically stress other syllables).

4. A. university B. volunteer C. responsible D. economic
**Answer: C. responsible** (The stress pattern is different; 'responsible' has the stress on the third syllable while the others stress the second syllable).

5. A. literature B. temperature C. convenient D. preference
**Answer: A. literature** (The stress is on the first syllable, while the stress in the other words is on the second syllable).

Feel free to ask if you have further questions!