三年级英语下册 Unit 9 Numbers一课一练（2） 北师大版（三起）

unit 9同步练习一、翻译。1.how many_ 2.help!_3.be careful_ 4.there are five_5.egg_ 6.look out_7.crocodile_ 8.small_二、用英语写出答案。1.1+7=_ 2.13-4=_3.3+3=_ 4.14-7=_5.3*2=_ 6.8+8=_三、单项选择。（ ）1.-_dolls do you have? -i have 9.a.how old b. how many c. how（ ）2.my hands_10 fingers.a.have b. has c. is（ ）3.-how many dogs do you_? -i see 5.a.see b. have c. like（ ）4. -_is the ball?-its on the desk.a.how b. where c. what（ ）5.i can see sixteen _.a. pear b. pears c. a pear四、读一读，并将正确的序号写在横线上。a. look at my new pencil box. d. its cool.b. how many pencils do you have? e. how many pencils do you see?c. the white one is a pen.amy: hi, lily. _lily: wow! _amy: and i have many pencils!lily: _amy: (open the pencil box.) _lily: 1, 2 i see 8.amy: no! _五、看图计算，将正确的答案的序号写在横线上。a. ten b.six c.nine d.eight e.seven1. 2=_ 2. 1=_3. 3=_ 4. 6=_5. 5=_六、选词填空，把序号填在横线上。a. seven b. birds c. beautiful d. at e. how many1. i can see three _.2. look _ the kites!3. i have _ pens.4. _ toy boats do you see? 5. - look at the kites in the sky. - wow. so _.参考答案及解析一、1.有多少 2.救命 3.小心 4.这有五个5.蛋 6.小心 7.鳄鱼 8.小的 二、1.eight 2.nine 3six 4.seven 5.six 6.sixteen三、1.b 由答句可知，问句应对数量提问，故选择b.how many. a.多大 c怎么 2.a my hands为复数，故谓语动词应用原形，故选择a. 3.a 由答句可知，问句是问“你看见了多少只狗”，故选择a.看见 b.有 c.喜欢 4.b 由答句“它在桌子上”可知，问句是对地点进行提问，故选择特殊疑问词.where a.怎么 c.什么5.b 十六，故用名词的复数形式，即b.pe