24. (A) protecting (B) by protecting(C) in protecting  (D) to protect

28. In paragraph 2, why does the author mention “Alzheimer’s disease”? (A) To illustrate a potential brain disorder resulting from irregular sleep timing. (B) To highlight a specific protein that harms brain plasticity. (C) To prove that occasional changes to sleep patterns will cause memory loss. (D) To describe a mental health condition that forces the brain to rest.

24.
(A) protecting
(B) by protecting
(C) in protecting
(D) to protect

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24.(A) protecting(B) by protecting(C) in protecting (D) to protect

相關試題

相關試卷

24.
(A) protecting
(B) by protecting
(C) in protecting
(D) to protect