We should not look down()the poor people.

单选题

We should not look down()the poor people.

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单选题

We should not sacrifice environmental protections to foster economic growth.

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问答题

We look forward to your early reply.

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单选题

We should think long term and take____measures.

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材料题

资料：When we see well，we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are.People who are near-sighted can only see things that are very close to their eyes，Everything else seems blurry（=unclear）.Many people who do a lot of work，such as writing，reading and sewing become near-sighted.People who are far-sighted suffer from just the opposite problem. They can see things that are far away，but they have difficulty in reading a boo

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