When I called you this morning,nobody answered the phone.Where______?


  1. A.
    did you go
  2. B.
    have you gone
  3. C.
    were you
  4. D.
    had you been
C
根據(jù)所提供的情景“When I called you this morning,nobody answered the phone.”可判斷出要用一般過去時,表示“當我給你打電話時你在哪兒？”。
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科目：高中英語 來源： 題型：閱讀理解

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Complete the following passage by using the words in the box. Each word can only be used once. Note that is one word more than you need.

Think you can walk, rive, take phone calls, email and listen to music at the same time? Well, New York’s new law says you can’t. and you I’ll be  1  $100 if you do it on a New York City street.

The law went into force last year, following recent research and a （n）  2  number of accidents that involved people using electronic devices when crossing the street.

Who’s to  3  ? scientists say that our multitasking（處理多重任務的）abilities are limited.

“We are under the impression that our brain can do more than it often can ,” says Rene Marois, a scientist in Tennessee. “But a major limitation is the inability to  4  on two things at once.”

The young are often considered the great multitaskers. However, an Oxford University research suggests this idea is open to question. A group of 18-to 21-year-olds and a group of 35-to 39-year-olds were given 90 seconds to translate  5  into numbers, using a simple code. The younger group did 10 percent better when not interrupted. But when both groups were interrupted by a phone cal or a （n）   6  message, the older group matched the younger group in speed and  7  .

It is difficult to measure the productivity lost by multitaskers. But it is probably a lot. It is estimated that the cost o interruptions to the American economy is nearly $650 lillion a year.

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