B. 改錯(cuò)

　　1. A programmed computer begins to show on its screen the figures you need when is switched on.
　　2. No one, at any rate no English writer, has written about childhood life in a way more poignant than Dickens was.
　　3. Careful surveys have indicated that as many as 50 percent of patients do not taken drugs as directed, lowering the effectiveness of the drugs significantly.
　　4. Layer upon layer of deep snow means that, when it melted, the snow-water would be pure, not salty as sea -ice would be.
　　5. All these projects require continuous spending on new equipment and new development if they are to serve properly, and require more money than is raised through taxes alone today.
　　6. You spent more money than was intended to spend.
　　7. To understand the situation completely require more thought that has been given thus far.
　　8. We can observe small things clearly under a microscope because it makes them appear larger as they really are.
　　9. In debating, one must correct the opponent’s falsehoods, deny the relevance of his proof, and deny that which he presents as proof, even if relevant, is sufficient.
　　10. Yet these old controversies give no less revealing insight on the minds of our grandfathers than do the major issues of the last century.

　　【參考答案】
　　1. is去掉 2. was—did 3. taken—take 4. it去掉
　　5. is—is being 6. spend—be spent 7. require—requires 8. as—than
　　9. which—what 10. on—into

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