专题20 阅读理解（科普或环境保护类或健康类）
1.【2017年内蒙古赤峰市】阅读短文，从每小题所给的A、B、C、D四个选项中，选出最佳选项。请将正确答案序号按要求涂在答题卡指定位置。
Lab work is fun but you must be careful. Listen carefully when your teacher reads and explains the rules before your first lab lesson. LAB RULES Throughout the lessons Before the Experiment * Do not enter the science lab without the teacher's permission(允许). * No food or drinks are to be allowed in the science lab. * Read all instructions carefully before every experiment(实验). * Prepare all apparatus(仪器)and put them in right places so that you will not knock them over while doing the experiment. * If you are unsure of how to use any apparatus or how to operate, ask your teacher for help. * Never smell or taste chemicals unless your teacher gives permission. * Wash all apparatus after use and return them to the places where they were. * Throw waste materials into proper waste baskets. * Report all accidents to your teacher immediately. First Aid * If you spill any chemicals onto your body or clothing, wash with plenty of water and report to your teacher. 31. You must know the LAB RULES ______ the first lab lessons. A. before B. since C. during D.after 32. It is necessary for you to ______ before every experiment.
A. read all instructions carefully B. take enough food and drinks C. smell chemicals immediately D. talk with your classmates. 33. If you are not sure of how to use any apparatus, ______.
A. read the rules carefully B. try them again and again
C. ask your teacher for help D. return all apparatus to the places where they were
34. The underlined word “spill” means ______.
A. 照射 B. 伤害 C.摔下 D.溅出 35. When you are in the science lab, you mustn’t ______.
A. be careful in order to prevent injury B. listen carefully when your teacher explains the rules
C. taste chemicals without the teacher’s permission D. throw waste materials into proper waste
During the Experiment After the Experiment baskets 【答案】 31.A 32.A 33.C 34.D 35.C 【解析】
考点：科普类短文阅读。
2.【2017年山东青岛】阅读理解 阅读下列短文，做出正误判断或选出最佳答案。
Our skin is like a bag that we live in. Inside the bag our bodies are mostly water. Our water is like the water in the sea. It is very salty. Also, like the ocean, we can lose our water. The wind and the sun could take it away. Our bag of skin keeps our body’s ocean from drying up.
Our skin keeps out sunshine. Too much sunshine can hurt us. Skin also keeps out dirt. That’s important because some kinds of dirt can make us sick. Our skin feels things. It feels warm things, cold things, things it touches, and things that hurt it. A campfire feels warm. A snowball
推荐2017年中考英语试题分项版解析汇编第01期专题20阅读理解科普或环境保护类或降类含解析
