1. The correct answer is C. tablet.
The underlined part in the options A, B, and D are "eɪ" in "speɪs", "seɪl", and "pleɪt", respectively.
The underlined part in the option C is "æ" in "tæblət".
Therefore, the underlined part in the option C is pronounced differently from the others.
2. The correct answer is C. decided.
The underlined part in the options A, B, and D are "ɪr" in "əˈpɪrd", "ɑrt" in "stɑrtɪd", and "sɪd" in "səkˈsidɪd", respectively.
The underlined part in the option C is "saɪd" in "dɪˈsaɪdɪd".
Therefore, the underlined part in the option C is pronounced differently from the others.
3. The correct answer is B. who.
The underlined part in the options A, C, and D are "ɪʧ" in "wɪʧ", "ɪn" in "wɪn", and "ɛr" in "wɛr", respectively.
The underlined part in the option B is "u" in "hu".
Therefore, the underlined part in the option B is pronounced differently from the others.
4. The correct answer is D. places.
The underlined part in the options A, B, and C are "eɪts" in "pleɪts", "eɪks" in "keɪks", and "eɪts" in "meɪts", respectively.
The underlined part in the option D is "leɪsɪz" in "pleɪsɪz".
Therefore, the underlined part in the option D is pronounced differently from the others.
5. The correct answer is C. laughed.
The underlined part in the options A, B, and D are "eɪnʤd" in "ʧeɪnʤd", "lərnɪd" in "ˈlərnɪd", and "raɪvd" in "əraɪvd", respectively.
The underlined part in the option C is "æft" in "læft".
Therefore, the underlined part in the option C is pronounced differently from the others.
6. A. battery
7. D. cameras
8. B. Will
9. B. are
10. A. Really?
11. A. Which
12. A. more quietly
13. C. tiny
14. A. disappeared
15. D. That would be great.
16. characteristics
17. sighting
18. navigation
19. disappeared
20. triangular
22. False
23. True
24. False
25. True
26. True