雅思写作素材：骑自行车的利弊

　　Benefits:

　　1. Fitness: Biking let you incorporate low stress aerobic exercise into your daily commute.

　　2. Parking: Forget about parking headache. Riding a bicycle lets you park much closer to your destination than a car.

　　3. The environment benefits include reduced pollution and reduced resource consumption .

　　4. Bicycles increase mobility for those who dont have access to motor transport .

　　5. Reduce energy consumption.

　　6. One of the most positive impacts of bicycling is improved health.

　　7. Moderate exercise such as bicycling can offer major health benefits.

　　8. Beyond physical health, bicycling helps to relieve; to fight off depression and anxiety; and to enhance your sense of well-being.

　　9. It is also a lot more economical to ride a bike than to drive a car.

　　The Cloning Technology

　　1. Cloning is unnatural and not ethically correct.

　　2. Cloning creates serious issues of identify and individuality and forces humans to consider the definition of self.

　　3. It leads to the psychological harms on cloned human children. One of those harms is the loss of identify, or sense of uniqueness and individuality.

　　4. The strongest ethical argument against cloning is that it could lead to a new, unfamiliar type of family relationship.

　　5. Another argument against cloning is that it would be available only to the wealthy and therefore would increase social inequality.