1体积某烃蒸气燃烧生成CO2比水蒸汽少1体积（在相同状况下测定），0.1mol 该烃燃烧其燃烧产物被碱石灰吸收,碱石灰增重32.8g,求该烃的可能的结构简式.将等质量的乙烷、乙烯、乙炔、乙醇四种物质完全燃烧，若反应前后的压强都是1.01×105Pa，温度均为120℃，则完全燃烧时，消耗O2最多的是 ，生成CO2最多的是 ，反应前后气体体积不变的是 。3.将0.1mol某有机物与标准状况下的11.2L氧气混合点燃，正好完全反应，生成0.8mol的混合气体，将该混合气体通过碱石灰，碱石灰增重24.8g。求该有机物的分子式。

1.I can’t endure seeing/to see animals suffer such pain.2.The three-month course she attended laid emphasis on practical skills.3.It’s up to travel agencies to warn customers of any possible dangers.4.Building up inner beauty is more valuable than reshaping outer looks.5.It’s reported that cosmetic surgery may have many side effects.6.After he has hair transplants, he looks as if he were ten years younger.7. Researchers have found a link between smoking and heart disease.8. The former minister refused to comment on the current economic situation.9. Karen Carpenter, a world-famous pop song singer, died of anorexia.10. Watching Channel Young can keep yourself well informed of the latest trend in fashion.Key to Unit One1.Aerobics, a beautiful and healthful from of exercise, is becoming popular among people.2.The manufacturer claimed that their produce cold rmove the spots from your face.3.After a course in the health studio, she looks as if she were ten years younger.4.She applied some sunscreen lotion to her body in case her skin is unprotectedly exposed to the sunlight.5.In discussion programs, those who hold differnet or even opoosite points of view wil be invited to participate.Key to Chapter One Exercise （练习卷）1.It is clear that no one can endure his unreasonable action.2.He asked me whether I had the current issue of the magazine.3.She is not slim enough to wear this pair of tight trousers.4.We should view the problems we are facing today in a historical perspective.5.Teachers teching foreign languages are often criticized for placing too much emphasis on correctness.

1.A thousand-li journey starts with the first step.2. Young people should never simply go in for material comforts/enjoyment.3. In the bookstore, you are free to choose any books you like.4. Teachers and parents often push students into studying hard/to study hard.5. Nowadays more and more girls go to great/any length to lose weight.6. There is great point in raising people’s awareness of protecting environment.7. Since I had nothing to do with the matter, I didn’t set out my ideas at he meeting.8. Most of the senior three students in Qibao High School aims at entering key universities.9. Hard work and effective ways will lead to success in your English study.10. Yang Liping devotes her life to her dancing career. In order to pursue /In pursuit of the effect of art she had her three ribs removed.