chemicalchange
答:change 读法 英 [tʃeɪn(d)ʒ] 美 [tʃendʒ]1、作及物动词的意思: 改变;交换 2、作名词的意思是:变化;找回的零钱 3、作不及物动词的意思:改变;兑换 短语 1、Conformational change 构象改变 ; 形态变化 ; 构象变化 2、chemical change [化学] [化学] ...
答:混合物可以用物理方法将所含物质加以分离.物理变化(physical change)指的是没有新物质生成的变化过程。多种纯物质混合成混合物,是物理变化;从混合物中分离出纯物质,亦是物理变化。 化学变化(chemical change)是指相互接触的分子间发生原子或电子的转换或转移,生成新的分子 ...
答:the chemical change to us carefully 我们关心的化学变化。例句:1.Circumstances forced us to change our plans.客观情况迫使我们改变了计划。2.Clearly something happened that he wants us to change.显然他希望我们改变一些既定的事实。
答:动词+change advocate (a) change 提倡改变 carry out changes 实行变化 cause (a) change 引起变化 count one's change 数零钱 effect a change 产生变化 get one's change 取零钱 形容词+change amazing changes 惊人的变化 chemical change 化学变化 complete change 完全的变化 earth-shaking ...
答:农药的英文的缩写:AC(agricultural chemicals)chemical 读法 英 ['kemɪkl] 美 ['kemɪkl]adj. 化学的 n. 药品;化学物 例句 1、The chemical change takes place in paper when it burns.纸燃烧时会产生化学变化。2、The farmers shouldn't use so heavy chemicals in ...
答:1. 这句话中,as a result of which it is possible to form a new substance是一个定语从句,修饰先行词chemical change,which是引导词,指代chemical change in matter ,所以你要这么理解:it is possible to form a new substance as a result of the chemical change in matter.(通过物质的...
答:We may define chemistry as the science in (the science) we deal with the chemical change in matter as a result of (chemical change in matter )it is possible to form a new substance 第一个which修饰the science(=chemistry),定语从句,没什么好说的;第二个which指代chemical ...
答:一、change作为“零钱”造句如下:Can you break this one hundred dollar bill and give me some change?你可以帮我把一百块换成零钱吗?The little boy reached in his pocket and pulled out some change.小男孩把手伸进口袋,掏出了一些零钱。Can you give some change?你可以给零钱吗?I have no...
答:化学变化(chemical change)在生产和生活中普遍存在。产生了新物质的变化是化学变化。如铁的生锈、节日的焰火、酸碱中和,镁条的燃烧等等。宏观上可以看到各种化学变化都产生了新物质,这是化学变化的特征。总结:有新物质产生的变化即为化学变化。【化学反应的类型及例子】:从反应物和生成物的种类及数量...
答:区别很明显,一个被动,一个主动,意义完全不同:it is called 它被称为……it called 它打电话给……、它下令、召集、叫唤
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年丁19842075407:
chemical change是“化学反应”吗? -
50381党承
:[答案] 化学变化 chemical reaction 是化学反应 化学变化是相对于物理变化而说的.你是不是还没学化学.
年丁19842075407:
chemical change是“化学反应”吗?谢谢. -
50381党承
: 化学变化chemical reaction 是化学反应化学变化是相对于物理变化而说的.你是不是还没学化学.
年丁19842075407:
是不是所有的化学变化都有新物质生成 -
50381党承
:[答案] 化学变化(chemical change)在生产和生活中普遍存在.产生了新物质的变化是化学变化.如铁的生锈、节日的焰火、酸碱中和,镁条的燃烧等等.宏观上可以看到各种化学变化都产生了新物质,这是化学变化的特征.总结:有新物质产生的变化即为化...
年丁19842075407:
是a chemistry change 还是a chemical change
50381党承
: 应该是a chemical change因为chemistry是名词,需用形容词来修饰,而chemistry是名词,意为“1.化学;2.物质的组成和化学性质[反应, 现象];3.[喻]神秘的变化(过程)" 而chemical是形容词,“化学的,选形容词性的词.名词的做定语时,通常是一些表示性别的名词man,woman等.
年丁19842075407:
问一题英文选择题It is hard to explain in words - ____.A What is a chemical change B what a chemical change is C how is a chemical change D how a chemical ... -
50381党承
:[答案] 没错.答案是B.表补充语的部分必须用陈述语序. WHAT 是别结果.而HOW 通常表程度.
年丁19842075407:
英语反意问句This is called a chemical change这个句子变反义问句 是 isn't it 还是 didn't it? -
50381党承
:[答案] 明显是 isn't it ,called意思是“所谓的”,即“这就是所谓的化学改变,不是么?”,called并不是这个句子的谓语.
年丁19842075407:
It is hard to explain in words - ____.A What is a chemical change B what a chemical change is C how is a chemical change D how a chemical change is 为什... -
50381党承
:[答案] B what a chemical change is 首先,宾语从句,用陈述的语序 第二,化学反应是“什么”,而不是化学反应是“怎样”
年丁19842075407:
英语长难句We may define chemistry as the science in which we deal with the chemical change in matter as a result of which it is possible to form a new ... -
50381党承
:[答案] 1.这句话中,as a result of which it is possible to form a new substance是一个定语从句,修饰先行词chemical change,which是引导词,指代chemical change in matter ,所以你要这么理it is possible to form a new substance as a result of the chemical ...
年丁19842075407:
物理变化是“physical change"还是“physics change" -
50381党承
: 汗,楼上哥们来坑人的么?a physical change,虽然一般不采用"物理变化"这种说法.参考语法,a chemical reaction,常用.physics专指物理学.
年丁19842075407:
长难句 句子成分分析we may define chemistry as the science in which we deal with the chemical change in matter as a result of which it is possibile to form a ... -
50381党承
:[答案] 主we 谓may define 宾chemistry 后面的是定语从句the science in which we deal with the chemical change in matter as a result of which it is possibile to form a new substance 先行词the science in matter as a result of which it is possibile to form a new ...