1、七年级（上）第三单元第 1 课时当堂达标题Unit 3 Is this your pencil?1a2d. 根据句意及括号内所给单词的提示填空。1. This _ (be) a pencil box. 2. Are these your _ (ruler)? 3. This cup is _ (her). 4. This isnt my orange. It is _ (his).5. Those are my jackets. _ (it) are green. 根据句意及所给汉语提示，写出句中所缺单词。1. My parents are _(老师) in a middle school.
2、2. _(感谢) you for your map. 3. The book is _(关于) UFOs.4. Is this dictionary _(你的)?5. Can you _(帮助 ) me?III. 根据括号内的要求完成下列各题，每空一词（含缩略形式）。1. Those are her pens. (改为一般疑问句)_ _ her pens?2. Are these Erics friends? (补全答语)No, _ _.3. Is this jacket hers? (改为同义句 )_ this _ jacket?4. This is my pen. (改为同义句)This
3、pen is .5. Is that a schoolbag? (做肯定 ,否定回答) _ / _. 翻译句子。1. 这些是你的铅笔。 .2. 这些书是他的。 .七年级（上）第三单元第 1 课时当堂达标题答案解析Unit 3 Is this your pencil?1a2d. 1. is 主语 this 是单数。2. rulers 由 these 得知后面用名词复数形式。 3. hers 名词性物主代词代替 her cup。4. his 名词性物主代词代替 his orange。5. They 由 be 动词得知变主语为复数，they 代替前一句提到的 jackets。. 1. teachers 2. Thank 3. about 4. yours 5. helpIII. 1. Are those 变一般疑问句， be 动词提前，首字母大写。2. they arent 主语为复数。 3. Is; her her jacket 等于题目中的名词性物主代词 hers。4. mine 名词性物主代词 mine 代替 my pen。5. Yes, it is. / No, it isnt. . 1. These are your pencils.2. These books are his.
