选出不同类的一项{"A":"rules","B":"home","C":"school","D":"zoo"}_刷题宝

题干

选出不同类的一项（）

A：rules

B：home

C：school

D：zoo

上一题下一题 0.0难度选择题更新时间:2017-10-24 02:56:45

答案(点此获取答案解析）

A

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下列运算正确的是（）

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我国自主研发生产的一种碳纤维产品，各项性能达到国际先进水平，其密度是钢的四分之一，强度是钢的十倍。它最适合用于制作（）

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pH＝11的x、y两种碱溶液各5mL，分别稀释至500mL，其pH
与溶液体积（V）的关系如图所示，下列结论正确的是

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我国的“神州七号”载人飞船已发射成功，“嫦娥”探月工程已正式启动．据科学家预测，月球的土壤中吸附着数百万吨的

_{2}^{3}

_{2}^{3}

He核聚变所释放出的能量相当于目前人类一年消耗的能量．在地球上，氦元素主要以

_{2}^{4}

He的形式存在．下列说法正确的是（）

同类题5

完形填空。

I have a good friend. His name is Nick. He is a middle school student. He usually 1 at 5:30 every day. Then he has 2 quick breakfast and 3 to school at six. He usually goes to school by bus. First he 4 to the bus stop. Then the bus takes 5 to school. It usually takes him forty minutes6 to school.

My home is about two miles from school. I usually leave for school at about 6: 30. I usually get to school 7 It takes me about twenty 8 But sometimes I got there by bike. It takes me only ten minutes.

There are different 9 to get to school. But I like10 best.

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