在考研英语第4讲中，考生们学习了词汇辨析、语法结构和阅读理解等关键知识点。以下是对本次课程内容的详细解答：
一、词汇辨析
1. 题目：下列哪个词与“accumulate”意思相近？
A. gather
B. collect
C. pile up
D. store
答案：A. gather
解析：accumulate意为“积累”，gather意为“聚集”，二者意思相近。collect意为“收集”，pile up意为“堆积”，store意为“储存”，均与accumulate意思不同。
2. 题目：下列哪个词与“abandon”意思相反？
A. continue
B. persist
C. retain
D. maintain
答案：C. retain
解析：abandon意为“放弃”，retain意为“保留”，二者意思相反。continue意为“继续”，persist意为“坚持”，maintain意为“维持”，均与abandon意思不同。
二、语法结构
1. 题目：下列哪个句子是正确的？
A. She is so pretty that I cannot help but admire her.
B. I cannot help but admire her because she is so pretty.
C. Because she is so pretty, I cannot help but admire her.
D. I admire her because she is so pretty, I cannot help but.
答案：A. She is so pretty that I cannot help but admire her.
解析：该句使用了“so...that...”结构，表示“如此……以至于……”，引导结果状语从句。其他选项结构不正确。
2. 题目：下列哪个句子是正确的？
A. It was not until last night that I realized how important it is to learn English.
B. Not until last night did I realize how important it is to learn English.
C. I did not realize until last night that it is important to learn English.
D. It was not until last night that I did realize how important it is to learn English.
答案：B. Not until last night did I realize how important it is to learn English.
解析：该句使用了“not...until...”结构，表示“直到……才……”，引导时间状语从句。其他选项结构不正确。
三、阅读理解
1. 题目：以下哪个选项与文章主旨不符？
A. The importance of learning English is undeniable.
B. Learning English is a must for college students.
C. English learning should start from a young age.
D. English learning can bring numerous benefits to individuals.
答案：C. English learning should start from a young age.
解析：文章主要讲述了学习英语的重要性、必要性以及带来的好处，并未提及学习英语的最佳年龄。
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