基本句子结构：
不及物动词可以通过跟介词或副词结合构成及物用法。
VI + Prep = VT approve of, deal with, look into, complain about, result in, lead to, dispose of, subscribe to, side with, contribute to, give up, appeal to

10. __________________________ results in a host of health conditions such as __________________________.
过量摄入脂肪和热量导致一系列的健康问题，如肥胖、冠心病和高血压等。

11. Competition among fellow teens ___________________ and jealousy leads to violent acts.
同伴之间的竞争导致嫉妒，而嫉妒导致暴力行为。

12. In order to stay healthy, we should ________________________________.
为了身体健康，我们应该避免烟酒过度。

13. Few people _____________________ the proposal ____________________________.
很少人赞成动物权益保护者提出的建议。

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