【B1】【B19】

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问题【B1】
【B19】

选项 A、why
B、when
C、how
D、what

答案C

解析根据上一句及本句意思：没有人确切知道它们是怎么找到的。

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本试题收录于：公共英语二级笔试题库公共英语（PETS）分类

公共英语二级笔试

公共英语（PETS）

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【B1】 【B19】

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Richard:I’vealwaysviewedtippingasawayofsaying"thankyou"totheonewhoservesme.Ibelievewhatisbadiswhenn

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MichaelJacksonisfamousforhis______butMuhammadAliforhis______.Except______,asuperstarwillperhapshaveeverything.

—Wouldyouliketocometodinnertonight?—Yes,I’dliketo.ShallItellJohnaboutit?—No,you______.I’vetoldhim

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【B1】【B19】

MichaelJacksonisfamousforhisbutMuhammadAliforhis.Except__,asuperstarwillperhapshaveeverything.

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