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【简答题】
有下列现象：①相同质量的二氧化碳气体体积比干冰体积大；②一氧化碳可以用作燃料，而二氧化碳可以用作灭火剂；③漫步在花园里可以闻到花香；④1个氢气分子质量为3.34×10 -27 kg．请把上述现象的序号填在相应的横线上． （1）微粒是不断运动的______． （2）微粒之间有空隙______． （3）微粒的质量很小______． （4）不同种物质的微粒性质不同______．
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【判断题】The brain is divided into two parts: the left and right cerebral hemispheres.
A.
正确
B.
错误
【多选题】CAC法典标准制定覆盖范围包含()。
A.
有关存在于食品中的农药残留、添加剂、污染物(包括微生物污染物)最高限量的食品安全标准
B.
关于过程及程序以准则形式出现的标准(如业务守则、危害分析与关健控制点)
C.
可能与健康有关的标识标准(如过敏原、营养标识)
D.
商品/产品标准，质量标识(如不同种类芦笋的颜色)
【判断题】Do you prefer to write with your left hand? If you do, you are one of the millions of “lefties” in the world. There would be even more left-handed people in the world if many people weren’t forced to ...
A.
正确
B.
错误
【简答题】The brain is divided into two roughly symmetrical halves, called h_________,one on the right and one on the left.
【判断题】Do you prefer to write with your left hand? If you do, you are one of the millions of “lefties” in the world. There would be even more left-handed people in the world if many people weren’t forced to ...
A.
正确
B.
错误
【单选题】The brain is divided into two roughly symmetrical halves, called ________, one on the right and one on the left.
A.
hemispheres
B.
cortexes
C.
stems
D.
cerebrums
【判断题】Do you prefer to write with your left hand? If you do, you are one of the millions of “lefties” in the world. There would be even more left-handed people in the world if many people weren’t forced to ...
A.
正确
B.
错误
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