0  297064  297072  297078  297082  297088  297090  297094  297100  297102  297108  297114  297118  297120  297124  297130  297132  297138  297142  297144  297148  297150  297154  297156  297158  297159  297160  297162  297163  297164  297166  297168  297172  297174  297178  297180  297184  297190  297192  297198  297202  297204  297208  297214  297220  297222  297228  297232  297234  297240  297244  297250  297258  447090 

2.绝对值不大于10的所有整数的和等于                                (   )

    A.-10           B.0            C.10             D.20

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1.-5的相反数与5的倒数的差是                                     (   )

    A.          B.        C.           D.

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60. What do you think of Goldman? Please give your reasons. (No more than 20 words)

_______________________________________________________________________________

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59. Why did Goldman hire people to push carts around his market? (No more than 10 words)

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58. Why was Goldman disappointed at first? (No more than 10 words)

______________________________________________________________________________

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57. What was the purpose of Goldman’s invention? (No more than 10 words)

_______________________________________________________________________________

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56. The underlined words “chrome-plate contraptions” in Paragraph 1 refer to ______________________________________________________________________________.

(No more than 3 words)

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80. Translate the underlined sentence in Paragraph 3 into Chinese. 

_______________________________________________________________________________

                 (2)

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79. List three effects of smiling on health according to the text. (within 8 words)

①              ②            ③

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