不及物动词可以通过跟介词或副词结合构成及物用法。
10. __________________________ results in a host of health conditions such as __________________________.
导致一系列的健康问题，如11. Competition among fellow teens ___________________ and jealousy leads to violent acts.
同伴之间的竞争，而嫉妒导致暴力行为。12. In order to stay healthy， we should ________________________________.
为了身体健康，我们应该。13. Few people _____________________ the proposal ____________________________.
很少人建议。
答案：
10.Excessive intake of fat and calorie， obesity， coronary heart disease and hypertension
11.leads to jealousy
12.give up excessive drinking and smoking
13.subscribe to， set forth by animal-rights advocates