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环境安全与绿色化学
6 The Variety o...
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Which of the following energy doesn't come from solar energy？ A、Wind energy B、biological energy C、nuclear energy
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Which of the following isotopic elements can be generally used in the scientific research? A、Carbon-14 B、Bismuth-120 C、Polonium-214
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In petroleum marine and meteorological field, the application of solar energy can be used in________ A、 Oil drilling platform power supply. B、Marine testing equipment. C、A and B.
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The materials of solar cells are mainly _______ materials. A、conductor B、insulator C、semiconductor
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Which country use nuclear reaction to generate electricity widely. A、France B、China C、Kazakhstan
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The half life of a radioactivity material is the time required for ________ of the radioactive atoms decay A、 a quarter B、one thirds C、half
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The secondary cells are those which can be_________. A、rechargeable B、non-rechargeable C、used only two times.
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According to the________ properties of biomass, the biomass energy can be divided into saccharides, starch and cellulose substances. A、chemical B、mechanical C、biological
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_________ photosynthesis can be decomposed water molecule into H2 and O2 by catalysts. A、 Artificial B、Natural C、Controlled
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Which of the following isotopic elements can be used to measure the age of materials? A、Carbon-14 B、Bismuth-120 C、Polonium-214
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For the Hydrogen energy, the following problems need to be solved？ A、- Hydrogen production cheaply B、- Hydrogen storage safely C、- A and B
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Trance are used in the medicine for the diagnosis of internal disorders the technology called as________. A、physical imaging B、 chemical imaging C、 medical imaging
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Photothermal conversation, photoelectric conversation and _______ conversation are three ways for human to use solar energy. A、photochemical B、photophysical C、photobiological
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The energy that the sun radiates to earth every _______ is equivalent to the sum of all the fossil fuel energy of the energy A、one day B、three days C、one months
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The anode of lead storage battery is___________. A、Lead B、Lead(IV) coated with Lead Dioxide C、Sulphuric acid
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Each half cell has a tendency to _______ electrons from other. A、accept B、give C、refuse.
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fossil fuel contains______.① coal; ② Petroleum; ③ Natural gas; ④ Combustible ice. A、①, ② B、②, ④ C、①, ②, ③, ④.
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The most easily blocked radiation is__________. A、 alpha ray B、beta ray C、gamma ray
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Galvanic cells belong to_________. A、primary cells B、secondary cells C、 fuel cells
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The electrochemical cells can convert ________ into _______ . A、chemical, electric B、electric, chemical C、mechanical, electric
环境安全与绿色化学
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6 The Variety o...
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