2. 外语
  3. He has been grinding out cheap romantic stories at the______ of one a week.

He has been grinding out cheap romantic stories at the______ of one a week.

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问题 He has been grinding out cheap romantic stories at the______ of one a week.
选项 A、ratio
B、percentage
C、proportion
D、rate
答案D
解析 他一直以每周一篇的速度生拼硬凑廉价的浪漫小说。A ratio“比，比率”，多以具体数据体现两个关系平行的事物的数量之比，所涉及的两个比较项必须同时出现，例如：The ratio of men’s jobs to women’s is 8 to 1．男性与女性工作岗位的比例是8比1。B．percentage“百分比”。例如：Unemployment has fallen by two percentage points thismonth．本月的失业率下降了两个百分点。C．proportion“比例”，通常用于下列搭配：in proportion to“依照比例”和in the proportion of“以……的比例”，例如：The pension was docked in proportion to earnings．养老金是按照收入比例扣除的。D．rate“比率”，通常用于at the rate of“按……的比率／速度”，例如：The train travels at therate of 100 miles an hour．火车以每小时100英里的速度运行。注：grind out表示“创造出”，at the rate of one a week指“以一周一篇的速度”，此题选D。
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