39.
(A) expensive
(B) cost-effective
(C) time-sensitive
(D) unnecessary

35. (A) while (B) where (C) what (D) whom

36. (A) use (B) used (C) using (D) to use

37. (A) at (B) by (C) on (D) to

38. (A) Alternatively (B) However (C) Moreover (D) Therefore

40. (A) appeal (B) appealing (C) appealed (D) appealingly

41. How would a reader most likely encounter this passage?(A) A fiction novel (B) A travel guidebook(C) A financial news report (D) A health and wellness article

42. According to the passage, how does chronic sleep deprivation primarily affect the body?(A) It decreases muscle growth.(B) It reinforces bodily functions.(C) It weakens the immune system.(D) It prolongs energy levels in short bursts.

43. According to the passage, what is one key role of sleep in cardiovascular health?(A) It helps regulate inflammation.(B) It decreases cholesterol production.(C) It increases blood sugar levels during sleep.(D) It repairs damaged muscle tissues in the heart.

44. According to the passage, what is the main benefit of “weekend sleep”?(A) It strengthens insulin resistance.(B) It reduces the risk of heart issues.(C) It prevents insomnia during the week.(D) It maintains the need for naps during the day.

45. According to the article, how does plogging provide both physical and environmental benefits?(A) It turns a regular jog into a full-body workout while clearing litter from public spaces.(B) It motivates runners to collect recyclable materials and donate them to local charities.(C) It pressures people to join local communities and showcase their accomplishments.(D) It limits participants’ opportunities to gain new insights while engaging with others.