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8A Unit3 巩固练习一词汇运用:(25分) A)根据首字母填空. 1. Tom always gets up early so I w why he is late for school today. 2. The Eiffel Tower is made of m___ ___. 3. The c___ ___ of the meeting is about 1
巩固练习:一词汇A)请根据题中空格后的中文提示英文释义或音标写出句中所缺单词使句子通顺1. The girl is getting fatter and fatter so she eats less to lose her w_____________. play wasnt interesting at all. We all felt very _________________(not i
实验室制取氨气进阶练习11.实验室制取氨气用 收集;用湿润的 或蘸有的玻璃棒;NH3通过盛有 的干燥管;写出用固固加热法收集氨气的方程式 2下列物质中可用来干燥NH3的是( )A浓H2SO4 B碱石灰CP2O5 D无水CaCl22、实验室制取下列气体时,可选用同一套气体发生装置的一组是( )3和Cl23和H2 3和CO2 3和O24.实验室里若用如图所示装置制取氨气,试用表格形式列出图中装置的错
巩固练习Ⅰ 单项选择。1 My mother ______ an important meeting last nightA has B have C had D will have2 -_______ your sister _______ her homework yesterday -No, she didn’t A Does; does B Did; do C
6 巩固练习一、将所给直接引语变为间接引语,每空一词:1 “I never eat meat,” he saidHe said that ______ never ______ meat2 “I’ve found my wallet,” he said to meHe ______ me that he ______ ______ ______ wallet3 “I took it home w
巩固练习1 可逆反应。2HI(g)H2(g)+I2(g)在密闭容器中进行,当下列4项中某项不取随时间变化时,才能说明反应已达平衡A 容器内压强B 平均相对分子质量 C 各组分浓度D 混合气体颜色答案:CD2 在一定条件下,反应2NO + O22NO2达到平衡的标志()ANO、O2、NO2分子数目比是2:1:2 B 反应混合物中各组成物质的浓度相等C 混合气体的颜色不再发生变化 D 混合气体的平均
【巩固练习】Ⅰ单项选择。1.-_____ is your dictionary - 10 Yuan A How much B How many C What D Whose2.-_______ subjects do you have - Seven A How long B How many C How much D How far3.-_______ d
巩固练习1可观察到白色沉淀生成,完成该过程的离子方程式:Ca2++ClO-+SO2+H2O=↓+Cl-+SO42-+ 。2废锂电池(图中简称废料,主要成份为LiCOO2、炭粉和铝箔)的回收流程如下(1)废液A中除NaOH外,还大量存在的溶质是_______,废渣B的主要成分是______。(2)废气C为黄绿色有毒气体,步骤② 中产生C的化学方程式为_____。3 工业上,通过如下转化可制得KCl
Unit 4 Amazing science综合能力演练责编:王晓丽【巩固练习】I 单项选择。1 I won’t have a trip to Mount Huang unless Amy_____, eitherYou mean you’ll go if Amy goesA will inviteB invitesC is invitedD will be invited2 She was
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