化学能与电能的转化同步练习第一课时1.铜片和锌片用导线连接后插入稀硫酸中,锌片是 ( )A 阴极B正极C阳极 D负极2.下列关于原电池的叙述中,正确的是 ( ) A原电池中,正极就是阳极,负极就是阴极B形成原电池时,在负极上发生氧化反应 C原电池工作时,溶液中的阳离子向负极移动D电子从负极流向正极3.用铁片与稀硫酸反应制取氢气时,下列措施不能使氢气生成速率加大的是 ()A加热B不用稀硫酸,改用9
PAGE Unit 2 My week第五课时一.选出每组不同类的单词?1.(???) A.Monday????? ??B.Tuesday?? ??C.clothes?? ??D.Sunday?2.(???) A.Saturday??? ??B.strict??? ??C.polite??? ??D.shy?3.(???) A.hard-working??B.Friday??? ??C.k
PAGE Unit 4??What can you do 第五课时绿色圃中小学教育网:.lspjy一单项选择(???)1Today we will learn a new _____?Amusic?? ??Bsing???? ??Csong(???) 2Oliver cant do any kung fu?______?Mr Ma can help him?.Aor?
PAGE Unit 6 Happy Birthday Period Five 同步练习一.填上正确的数字? 1.sixtwo=______ 2. fivefour=______ 3. threeseven = ______ 4. fivefour=______ ? 二找朋友threet
PAGE Unit?6??In a nature park第五课时一听音将下列单词排序sound??? ??count?? ??mouse?? ??house?? ??about?? ??around??? ??wow??? ??cow?( )?? ??( )?? ??( )??? ??( )?? ??( )?? ??( )??? ??( )? ??( )二划线部分读音相同打不同打×(??
PAGE Unit 5 Lets eat Period Five 同步练习一请将正确的图与英文单词连线 fish milk rice water cake二根据图片圈出正确的单词1. Drink some (watermilk) 2. Cut the (cakebread) 3. Eat
PAGE Unit 1 Whats he like第五课时一.单项选择(??) 1.-Is she strict?????? ??-Yes_______?? ??A.he?is? ??B.she isnt???? ??C.sometimes(??) 2.-Do you know Mr.Li?????? ??-YesI_______?? ??A.do???? ??B.dont????? ??
PAGE Unit 5 There is a big bed第五课时一选出划线部分读音不同的一项(??)1A.rainbow? ??B. wait???C.Monday? ??D.watch(??)2A.say????? ??B.way?? ??C.plant?? ??D.birthday(??)3A.park???? ??B.rainy???C.paint?? ??D.day二翻译下列句
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