. As there is less and less coal and oil, scientists are exploring new ways of making use of ______ energy, such as sunlight, wind and water for power and fuel.
As we all know, we are what we eat. ________, it’s very important for us to form healthy eating habits. _________, bad eating habits are still very common among us students. _______ the fact that bad eating habits will do harm to our health, we students never take it seriously.
A. Nevertheless B. Therefore C. Though D. Thus
A. Otherwise B. Despite C. However D. Afterwards