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In an economy income per head used to rise by barely 1% a year, current growth rates feel like a miracle.

A. when B. whose C. that D. where

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4.

Respect others’ privacy as text and e-mail senders by not letting what they type appear on the home screen of your phone when you receive a new message. While you’re at it, use a password to make sure the information you share with others stays between you.

Ask permission to swipe(滑动)

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6.A. me B. them C. her D. it

7.A. wrong B. right C. stupid D. faulty

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11.A. day B. night C. month D. year

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14.A. while B. if C. when D. or

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