在万海教育的考研英语辅导中，我们精选了最具挑战性的题目，并提供了详尽的答案解析。以下是一例：
【例题】
The rapid development of technology has brought about significant changes in our daily lives.
A. A. It has greatly improved our living standards.
B. B. It has greatly increased our workloads.
C. C. It has greatly reduced our communication barriers.
D. D. It has greatly enhanced our environmental concerns.
【答案】A
【解析】本题考查对句意的理解。根据题干中的“rapid development of technology”和“significant changes in our daily lives”，我们可以判断出，科技的发展极大地提高了我们的生活质量。因此，正确答案为A。
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