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题目列表(包括答案和解析)

翻译句子

水是生命之源,请节约每一滴水。

There is ________ water.Please ________ every drop of it.

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父爱是太阳,即使在乌云密布的日子里,我也能感受到他的光芒。父爱是一棵大树,即使在烈日炎炎的夏日,也会为我撑起一片荫凉。 父爱是一把大伞,即使在风雨交加的路上,也不让一滴水珠落在我身上。父爱是高山,即使在我最困难的时候,也鼓励我永不言弃。父爱是北斗星,即使在伸手不见五指的夜里,也引领我走向成功。请根据提示完成下面这首有关父爱的小诗。

What Is A Dad?

A Dad is like the sun. Even though on cloudy days, I can also feel his light..

A Dad is like the tree . _________1._______, he still holds up a piece of shade for me..

A Dad__ 2.___. Even though on the stormy road, he won’t let a drop of water fall on me.

A Dad is like the mountain. ____3.________, he always _______4._________.

A Dad is like the star. Even though in the dark night, he also ???????? 5.________.

 

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父爱是太阳,即使在乌云密布的日子里,我也能感受到他的光芒。父爱是一棵大树,即使在烈日炎炎的夏日,也会为我撑起一片荫凉。 父爱是一把大伞,即使在风雨交加的路上,也不让一滴水珠落在我身上。父爱是高山,即使在我最困难的时候,也鼓励我永不言弃。父爱是北斗星,即使在伸手不见五指的夜里,也引领我走向成功。请根据提示完成下面这首有关父爱的小诗。

What Is A Dad?

A Dad is like the sun. Even though on cloudy days, I can also feel his light..

A Dad is like the tree. _1.__, he still holds up a piece of shade for me..

A Dad_2._. Even though on the stormy road, he won’t let a drop of water fall on me.

A Dad is like the mountain.3.__, he always _4.__.

A Dad is like the star. Even though in the dark night, he also5..

 

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父爱是太阳,即使在乌云密布的日子里,我也能感受到他的光芒。父爱是一棵大树,即使在烈日炎炎的夏日,也会为我撑起一片荫凉。 父爱是一把大伞,即使在风雨交加的路上,也不让一滴水珠落在我身上。父爱是高山,即使在我最困难的时候,也鼓励我永不言弃。父爱是北斗星,即使在伸手不见五指的夜里,也引领我走向成功。请根据提示完成下面这首有关父爱的小诗。
What Is A Dad?
A Dad is like the sun. Even though on cloudy days, I can also feel his light..
A Dad is like the tree . _________小题1:_______, he still holds up a piece of shade for me..
A Dad__小题2:___. Even though on the stormy road, he won’t let a drop of water fall on me.
A Dad is like the mountain. ____小题3:________, he always _______小题4:_________.
A Dad is like the star. Even though in the dark night, he also          小题5:________.

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(18分)“从生活走进化学,从化学走向社会”。请你用化学知识回答以下生活中的问题:
(1)2011年3月15日央视曝光的“双汇瘦肉精”事件,是继“三鹿奶粉”事件后震惊国人又一大事件。瘦肉精的成分是盐酸克伦特罗,化学式为C12H19CI3N2O,瘦肉精是一种        (填“有机”或“无机”)物,它含有          种元素,它的一个分子中含有_________个原子;含氮元素的质量分数为             (结果保留到0.1%)。
(2)人被蚊虫叮咬后皮肤会红肿痛痒,这是由于蚊虫在被叮咬的皮肤内注入了少量的酸性物质所致。在被咬的皮肤上涂少许下列生活用品中的            (填序号),痛痒便会消失。
A.香油B.肥皂水C.纯碱水D.糖水
(3)做馒头发酵面团时,会产生乳酸等有机酸,揉面团时需加入适量的纯碱或小苏打,让它们相互作用产生      气体,使蒸出的馒头疏松多孔;若加入的纯碱或小苏打过多,可向面团或蒸锅中滴加少许酸性物质,如           ,否则蒸出的馒头会变涩,颜色发黄。
(4)工厂常用稀盐酸清洗铁制品表面的铁锈。该过程的化学方程式为                

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