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【2017年整理】七年级三单形式专项练习.doc

发布:2017-02-04约字共7页下载文档
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第 PAGE 1 页 共 NUMPAGES 1 页创建时间:2012/11/12 动词第三人称单数形式的练习 一.写出下列动词的第三人称单数。 see ________ go _______ stay ________ make ________ look _________ have_______ come________ watch______fly _______ study_______ match _____ guess______ finish_________ 二.用括号内动词的适当形式填空。 1.He always ________(have) dinner at home. 2.We _______(not watch) TV on Monday. 3.Nick _______(not go) to the zoo on Sunday. 4.______ they ________(like) the World Cup? 6._______ your parents _______(read) newspapers(报纸) every day? 7.The girl _______(teach) us English on Sundays. 11.They _______(have) the same hobby(爱好). 12.My aunt _______(look) after her baby carefully. 13.You always _______(do) your homework well. 14.I _______(be) ill(生病的). I’m staying in bed. 15.She _______(go) to school from Monday to Friday. 16.Liu Tao _______(do) not like PE(体育课). 20.He _________(read) English every day. 21.We _________(go)to school at seven in the morning. 22.Mike________(go)to school at seven in the morning. 31.The students___________(speak) English in class. 32.The student_________(speak) Chinese after class. 33. Let’s____________and play football . ( go ) 36. _________you study English at school ? Yes , I___________. ( do ) 37. __________your sister study English at school ? No , she__________ . ( do ) 四.改句子 1. Do you often play football after school? (肯定回答) 2. I have many books. (改为否定句) 3. Miss Chang’s sister likes playing table tennis (改为否定句) 4. She lives in New York. (改为一般疑问句) 5. I watch TV every day. (改为一般疑问句) [基础训练] 1.下列有关金属元素的特征叙述正确的是( ) A.金属元素的原子具有还原性,离子只有氧化性 D.金属元素的化合价一定显正价 C.金属元素在不同化合物中的化合价均不相同 D.金属元素的单质在常温下均为金属晶体 2.下列有关金属元素特征的叙述中正确的是 ( ) A.金属元素的原子只有还原性,离子只有氧化性 B.金属元素在化合物中一定显正价 C.金属元素在不同化合物中的化合价均不同 D.金属单质在常温下都是金属晶体 3.金属的下列性质中,不能用金属的电子气理论加以解释的是 ( ) A.易导电 B.易导热C.有延展性 D.易锈蚀 4.下列晶体中由原子直接构成的单质有 ( ) A.白磷 B.氦C.金刚石 D.金属镁 5.金属具有延展性的原因是( ) A.金属原子半径都较大,价电子较少 B.金属受外力作用变形时,金属阳离子与自由电子间仍保持较强烈作用 C.金属中大量自由电子受外力作用时,运动速度加快 D.自由电子受外力作用时能迅速传递能量 6.下列说法不正确的是( ) A.金属单质的熔点一定比非金属单质高
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