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The reduction of noise has been (i)____ in terms of (ii)____ its sources, but th
The reduction of noise has been (i)____ in terms of (ii)____ its sources, but th
游客
2025-02-20
9
管理
问题
The reduction of noise has been (i)____ in terms of (ii)____ its sources, but the alternative of canceling noise out by adding sound with the opposite wave pattern may be more useful in practice.
选项
A、justified…diffusing
B、accomplished…tracking
C、conceived…concealing
D、explained…isolating
E、approached…eliminating
答案
E
解析
空格(i):
- 方程等号:but转折,反义重复。more表示but前后的程度差异。
- 强词和对应:but后面的内容说另外一种消除噪声的方法是增加相反波形的声音,这种方法是更加有效的(more useful)。reduction of noise和canceling noise构成同义重复。根据more进一步得知,but体现程度差异。因此空格(i)和useful取同。体现but前的方法是“有用的”,填入一个正向词。justify合理化,accomplish完成,conceive构想,explain解释,approach处理。选项B和E合适。
空格(ii):
- 方程等号:the alternative可知,but前后描述的是消除噪声的两种不同的方法,对象取反,特征取反。
- 强词和对应:根据对象取反体现两种减少噪音的方法特征是对立的,the alternative方法是增加相反波形的声音(adding sound),因此adding指向空格(ii),根据alternative取反,体现“不增加”或“降低”,填入一个负向词。diffuse扩散(错),track追踪(错),conceal隐藏(错),isolate分离(错),eliminate消除(对)。综合空格(i),答案选E。
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