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题型：单选题题类：常考题难易度：普通

is the largest freshwater lake in China.

A、Dongting Lake B、Poyany Lake C、Qinghai Lake D、Hongze Lake

举一反三

_______ is an unhealthy life style.

If H₂ burn in O₂, we can get ___________.

Today is Saturday. Tomorrow is {#blank#}1{#/blank#}（星期天）.

This is my new friend, and he is from {#blank#}1{#/blank#} (German).

Lions come from {#blank#}1{#/blank#}(非洲).

—Can you tell me who i{#blank#}1{#/blank#} the first air conditioner?

—Willis Haviland Carrier.

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