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41、 单选题 She felt a __________ longing for her childhood days spent in the countryside.
A. zealous
B. wistful
C. wary
D. vehement
正确答案：B
题目解析："Wistful" describes a feeling of longing tinged with sadness, especially for the past.
42、 单选题 As the sun began to __________, the sky turned beautiful shades of orange and pink.
A. wane
B. yearn
C. vacillate
D. kindle
正确答案：A
题目解析："Wane" means to decrease in size or strength, particularly in reference to the sun setting.
43、 单选题 The committee reached a __________ decision after much discussion and consideration.
A. unanimous
B. vacillating
C. transient
D. tenuous
正确答案：A
题目解析："Unanimous" means in complete agreement, indicating that all members agreed on the decision.
44、 单选题 His __________ support for the cause inspired many to join the movement.
A. wary
B. zealous
C. tenuous
D. wistful
正确答案：B
题目解析："Zealous" means having or showing enthusiasm and passion, which can inspire others.
45、 单选题 The effects of the medication were __________, lasting only a few hours before wearing off.
A. ubiquitous
B. transient
C. zealous
D. vehement
正确答案：B
题目解析："Transient" refers to something temporary or short-lived, fitting the context of the medication's effects.
46、 单选题 The scientist presented a __________ argument that convinced everyone in the room.
A. tenuous
B. tenacious
C. unanimous
D. transient
正确答案：B
题目解析："Tenacious" means holding firm to a purpose or opinion, which makes the argument convincing.
47、 单选题 The elderly man was considered __________ in the community due to his years of service and wisdom.
A. Venerable
B. Tenuous
C. Transient
D. Wary
正确答案：A
题目解析："Venerable" refers to someone who is respected due to age, wisdom, or character, often associated with long-standing service.
48、 单选题 His __________ nature made it difficult for him to make decisions, often leading him to second-guess himself.
A. Tenacious
B. Vacillate
C. Unanimous
D. Ubiquitous
正确答案：B
题目解析："Vacillate" means to waver between different opinions or actions, indicating indecision.
49、 单选题 Many people have a __________ attitude towards strangers, often due to fear of the unknown.
A. Xenophobic
B. Xenophile
C. Wistful
D. Vacillate
正确答案：A
题目解析："Xenophobic" refers to an irrational fear or dislike of people from other countries or cultures.
50、 单选题 The manager was __________ in her efforts to improve team morale, organizing various activities.
A. Indifferent
B. Zealous
C. Lethargic
D. Tenuous
正确答案：B
题目解析："Zealous" means showing great energy or enthusiasm in pursuit of a cause or objective.
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