1、Unit 2 A new student重难知识点精讲精练 (含答案)1. -How many classrooms are there in our school？我们学校有多少间教室？-There are24 classrooms.有24间教室。解析：句型“How many.are there十地点？”意为“某处有多少？”。how many意为“多少”，用来对可数名词的数量进行提问，后接可数名词复数。回答时用“There is/，are十数词(十名词).”。【例句】(1)-How many bowls are there on the table?桌子上有多少个碗？-There is on
2、ly one.只有一个。(2)-How many computers are there in the computer room?电脑室里有多少台电脑？-There are fifty.有五十台。【练习】(1)按要求完成句子。There are five dolls on my sisters bed.(对画线部分提问) dolls are there on your sisters bed?(2)选出句子中错误的一项，并在横线上改正。( )How many student are there in the teachers office?A B C【答案】(1)How many (2)B
3、students2. Our classroom is on the second floor.我们的教室在二楼。解析：本句中的second为序数词，意为“第二”，其对应的基数词为two。序数词用来表示顺序，前面一般要加定冠词the，即“the十序数词”，意为“第几”。表示“在几楼”用“on the十序数词十floor”。【拓展】序数词firsttwelfth记忆小口诀：一二三，特殊记，八减t，九减e。five和twelve两兄弟，f来把ve替。基数词序数词基数词序数词基数词序数词onefirst(1st)fivefifth(5th)nineninth(9th)twosecond(2nd)si
4、xsixth(6th)tententh(10th)threethird(3rd)sevenseventh(7th)eleveneleventh(11th)fourfourth(4th)eighteighth(8th)twelvetwelfth(12th)【例句】(1)The second girl is my sister.第二个女孩是我的妹妹。(2)Our music room is on the third floor.我们的音乐室在三楼。【练习】选出句子中错误的一项，并在横线上改正。( )Who is first to get to the classroom?A B C【答案】B th
5、e first3. Can you show her around?你能带她参观一下吗？解析：show.around意为“带参观”，show后可接名词或代词，如果后面接的是人称代词，要用人称代词的宾格形式。【例句】-Can you show David around the small town? -Hes new here.-你能带戴维参观一下这个小镇吗？-他刚来这里。【练习】用所给单词的适当形式填空。Some of my friends come to my house today.Id like to show (they) around the new park nearby.【答案】
6、them4. Are there any computer rooms?有电脑室吗？解析：句型“Is/Are there.?”为there be句型的一般疑问句句式，用来询问某地是否存在某(些)人或某（些）物（品），其肯定回答为“Yes，there is/are.”，否定回答为“No，there isnt/arent.”。将there be句型的陈述句改为一般疑问句，先将be动词移至句首，如果原句中有some，要将some改为any；如果原句中有I/we，my/our，me/us，则要将I/we，my/our，me/us分别改为you,your,you。【例句】(1)-Are there an
7、y chairs in the classroom?教室里有椅子吗？-Yes,there are.是的，有。(2)-Is there any milk in the bottle?瓶子里有牛奶吗？-No,there isnt.不，没有。【练习】按要求完成句子。(1)There is an old box under my parents bed.(改为一般疑问句) an old box under parents bed?(2)There are some pupils in the playground.(改为一般疑问句，并作否定回答)- pupils in the playground?-
8、 ,there .【答案】(1)Is there,your (2)Are there any,No,arent易错易混全解1. 易混淆基数词与序数词的用法。【例题】根据中文提示，完成句子。(1)那个园子里有两只大猩猩。There are gorillas in the garden.(2)在第二个园子里的那只动物是一只大猩猩。The animal in garden is a gorilla.【答案】(1)two (2)the second点拨：基数词前面一般不加the，后接可数名词复数（除one以外），而序数词前一般要加the，后接可数名词单数。第(1)小题，“两只”指的是大猩猩的数量，没有
9、强调顺序，所以设空处应该用基数词，故填two。第(2)小题，“第二个”强调园子的顺序，故填the second。2. 易混淆there be句型与have/has的用法。【例题】单项选择。( ) some bees among the flowers.A.There have B.Have C.There are【答案】C点拨：there be句型与have/has都译为“有”，但there be句型表示某地存在某（些）人或某（些）物（品），强调存在性，而have/has为动词，表示拥有某（些）物（品），强调所属关系。本题句意为“花丛中有一些蜜蜂”，主语some bees和the flowers之间不属于所属关系。故选C。3. 易混淆“Its time for”与“Its time to.”的用法。【例题】按要求完成句子。Its time for the birthday cake.(改为同义句)Its time the birthday cake.【答案】to have/eat点拔：向型“Its time for”意为“是的时候了”，相当于“Its time to”，两者的区别在于：Its time for后接名词，而Its time to后接动词原形。故填to have/eat。
