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核桃能做到的事,其他坚果也能做到。 民间盛传的吃核桃补脑的说法,大概是源于坊间传闻的“以形补形”,核桃仁的形状有些像大脑,多吃点核桃,好像大脑也得到了援助,变得更充...[更多]
2021-01-13 17:41:06
其实很好理解,因为经纬度不同,各国元旦到来的时间也不同。 世界各国和各地区并不都是同时辞别旧岁迎来元旦的,而是有早有晚,有的甚至相差二天,我国就是第十二个跨进新一年...[更多]
2021-01-13 17:39:35
阅读下面的短文,选择正确答案。 Mary can not walk. But Mary can swim. Every day, she will get out of her chair and go into the water. Mary says,I must be in a chair most of the time. But I do not need a chair in the water. I c...[更多]
2021-01-12 11:37:50
阅读下面的短文,选择正确答案。 Nancy puts on her fathers big hat. She puts on one of her mothers big, old tops. Then she makes up her face. Soon her mother and father come home. When they see Nancy, they say,You do not look l...[更多]
2021-01-12 11:27:34
阅读下面的短文,选择正确答案。 Fred sees Mother with two big bags of food.I will help you,says Fred.You do a lot of shopping! Mother says,I work every day. I can not shop every day. Now the shopping is done.Fred helps Mother...[更多]
2021-01-12 11:39:21
阅读下面的短文,选择正确答案。 Lets see who can get to school first,says Jill. Jill and her friend Betty begin to race. They run as fast as they can. Jill and Betty get to school at the same time. Jill says,We get here at the...[更多]
2021-01-12 11:39:53
阅读下面的短文,选择正确答案。 Rick wants to eat something. Mother wants to eat, too. Mother says,We can make something good. I know you will like it. Rick and Mother talk. Then they cook. When the food is done, they sit down...[更多]
2021-01-12 11:15:10
南半球顺时针,北半球逆时针。 因为受地转偏向力影响,地球上水平运动的物体在北半球向右偏转,南半球向左偏转,赤道上不偏转。所以在北半球,南半球,赤道放洗澡水旋转的方向...[更多]
2020-12-29 16:53:53
火烈鸟的羽毛主要为朱红色,十分好看。但其实火烈鸟出生并不是红色的哦。 火烈鸟是红色主要是由火烈鸟摄取的食物决定的。火烈鸟以海藻、昆虫的幼虫以及蟹、虾等为食,它们中都...[更多]
2020-12-29 16:52:45
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