题目内容

【题目】Many books and magazines to the children in the poor areas in northwestern China last month.

A.sendB.sentC.were sentD.are sent

【答案】C

【解析】

句意:上个月,许多书籍和杂志被寄给了中国西北贫困地区的孩子们。

考查动词语态。send发送,sent是其过去式,were sent是一般过去时的被动语态,are sent是一般现在时的被动语态。books and magazines(书籍和杂志)是复数人称,又是动词send的受动者,需用“are/were done”被动语态结构。根据“last month上个月”,可知是一般过去时的被动语态,故选C

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【题目】 You might have noticed that sometimes, when you are playing mobile games, the picture suddenly freezes(卡顿)because the network speed is o slow. However, these annoying things will soon become a thing of the past, as China just issued commercial licenses (发放商用牌照)for 5G networks on June 6, 2019. This means that China's telecommunications companies will be able to offer 5G network speeds to users.

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1Why does the picture freeze when we are playing mobile games?

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4What is the fourth paragraph mainly about?

5What disadvantages do 5G networks have?

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