2. 专升本
  3. Mobile phones help us communicate everywhere, which is very important. They are good at emergencies, when you’ve【C1】______a car

Mobile phones help us communicate everywhere, which is very important. They are good at emergencies, when you’ve【C1】______a car

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问题     Mobile phones help us communicate everywhere, which is very important. They are good at emergencies, when you’ve【C1】______a car accident, for instance. A mobile phone【C2】______save your life! Mobile phones are also【C3】______because they have many good features—we can take photos and send them all over the world. But every coin has two sides. The【C4】______thing about mobile phones is that you have no privacy. My boss and friends find me whenever they want! I haven’t enjoyed a whole quiet day since the day I【C5】______my mobile phone.【C6】______disadvantage is that mobile phones make us lose good habits, such as punctuality. Before, when we【C7】______keep in touch so easily, if we had a date with someone, we tried our best to arrive【C8】______time. But now, because of the mobile phone, we are not afraid of【C9】______late any more, so, surprisingly enough, we make people wait! The third【C10】______I see is that I change my mobile phone once a year, and this means I’m spending【C11】______too much money on it. I think it is important to think【C12】______we use mobile phones. We should use things such as mobile phones, laptops, cameras, the Internet, and so on,【C13】______our needs. We can【C14】______our mobile phone, when we don’t want to be disturbed by【C15】______. If we know how to use it, we can eliminate its disadvantages.
【C7】
选项 A、couldn’t
B、must
C、can’t
D、have
答案A
解析 此句讲的是过去的事情，所以，用过去时，这里应用过去时的“能够”，couldn’t。以前，人们联络不方便，却都能准时赴约。
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