第三章 维持生命之气—氧气 阶段测试题 一选择题(每小题只有一个正确选项每题3分共30分) 1.下列叙述中不正确的是( ) A.在通常状况下氧气是无色无味的气体密度比空气略大B.氧气不易溶于水可加压贮存在钢瓶中 C.液态氧为蓝色液体 D.氧气变为固体时呈雪花状为淡蓝色 2.下列变化中一定属于化学变化的是( ) A.酒精挥发 B.锅炉爆炸 C.白磷自燃 D.灯泡发
仁爱版英语九年级上册考点(Unit 1—Unit 2) : PAGE : 【教材回归 考点过关】1. have been to 表曾经去过某地注意区别:have gone to表已经去某地了如:I have been to Shanghai. (去过上海已经回来)He has gone to Shanghai. (去上海了不在此处)2. have (no) time to do s
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Revision of U4 free=have time1)He is free.=He has )Are you free=Do you have time=Do you have any free time3)Is she free=Does she have time=Does she have any free 前不加 go to the zoo on thatnext前
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Unit5 Topic3重点短语show sb. around…a symbol of…play an important part in…set up a wooden columnencourage sb. to do …on…promise to do …or…neither…nor…both…and…not only…but…also…crowd around…walk award…fi
仁爱版九年级学案Unit 3 Topic 1一知识目标【重要短语】be able to=can 能够会cant wait to do sth.迫不急待地做某事have a (good) chance to do sth.有(好)机会做某事practice doing sth.练习做某事be made by…被……制做be made offrom…由……制成be made in…在某地制造on b
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1 Greeting1. I am ____ English could you give me some advice ____ how to learn English well A. good at on B. weak in on C. weak at inD. good for in2. She is a shy girl and she is afraid ____ i
Unit 2 Looking different Topic3 Whose jacket is this 第一课时 SectionA一.目标语言 Target language(1)重点单词和短语 Words expressionsWhosehishersourstheirsyoursminethen (3)Key sentences— Whose …is itare thesethos
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