it is almost known to all that smoking is bad for peoples health.
scientific researchs show that smoking can lead to heart disease,cancer and other problem.the world health organization says diseases linked to smoking kill at least two million five-hundred-thousand persons each year.
still,many people find it difficult to stop smoking.one reason is that smoking usually becomes a habitual behaviour,and habits,whether good or bad are not easy to be given up.another reason is the effect of nicotine,the substance found in cigarettes works on people somewhat as drugs do.
measures have been taken to help people keep away from the harm of smoking. in many cities,smoking is forbidden in public places.the danger of smoking is warned of everywhere.and newspapers are asked not to publish advertisements for cigarettes.
world no tobacco day is observed every year as the biggest compaign against smoking.
人教PEP[2013]版四上《Unit 6 Meet My Family》(let’s learn PartB)flash课件
人教PEP[2013]版四上《Unit 3 My Friends》flash课文朗读
人教PEP[2013]版四上《Unit 3 My Friends》(listen and number PartB)flash课件
人教PEP[2013]版四上《Unit 4 My Home》(第4课时)ppt课件
人教PEP[2013]版四上《Unit 5 Dinner is ready》(let’s learn PartB)flash课件
人教PEP[2013]版四上《Unit 6 Meet My Family》(chant again PartA)flash课件
人教PEP[2013]版四上《Unit 5 Dinner is ready》(let’s talk PartB)flash课件
人教PEP[2013]版四上《Unit 3 My Friends》(story time PartC)flash课件
人教PEP[2013]版四上《Unit 4 My Home》(let’s learn PartB)flash课件
人教PEP[2013]版四上《Unit 3 My Friends》(第6课时)ppt课件
人教PEP[2013]版四上《Unit 5 Dinner is ready》(let’s talk PartA)flash课件
人教PEP[2013]版四上《Unit 3 My Friends》(read listen and chant PartA)flash课件
人教PEP[2013]版四上《Unit 5 Dinner is ready》(story time Part C)flash课件
人教PEP[2013]版四上《Unit 3 My Friends》(read listen and tick PartA)flash课件
人教PEP[2013]版四上《Unit 3 My Friends》(let’s talk PartB)flash课件
人教PEP[2013]版四上《Unit 3 My Friends》(第2课时)ppt课件
人教PEP[2013]版四上《Unit 4 My Home》(let’s learn)flash课件
人教PEP[2013]版四上《Unit 5 Dinner is ready》(read and tick PartB)flash课件
人教PEP[2013]版四上《Unit 3 My Friends》(let’s chant PartA)flash课件
人教PEP[2013]版四上《Unit 3 My Friends》(let’s talk PartA)flash课件
人教PEP[2013]版四上《Unit 6 Meet My Family》(let’s sing Part B)flash课件
人教PEP[2013]版四上《Unit 3 My Friends》(let’s learn PartB)flash课件
人教PEP[2013]版四上《Unit 5 Dinner is ready》(main)flash课件
人教PEP[2013]版四上《Unit 5 Dinner is ready》(第6课时)ppt课件
人教PEP[2013]版四上《Unit 5 Dinner is ready》(dinners
人教PEP[2013]版四上《Unit 5 Dinner is ready》(read listen and chant PartB)flash课件
人教PEP[2013]版四上《Unit 3 My Friends》(listen circle and write PartA)flash课件
人教PEP[2013]版四上《Unit 4 My Home》(第5课时)ppt课件
人教PEP[2013]版四上《Unit 3 My Friends》(read and match PartB)flash课件
人教PEP[2013]版四上《Unit 5 Dinner is ready》(let’s do PartB)flash课件