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Have you seen people around you running towards many pizza shops? You might be thinking why people are so c___小题1:___ about pizza. Actually, there are many r____小题2:___ why so many people prefer pizza when there is a variety of fast food. 

First , pizza has a lot of flavors. If you are a c___小题3:__ lover, you can have one with just a cheese topping(配料). You can have vegetables as well as meat. Pizza is also in different s___小题4:__ ranging from the personal to the large party size. Pizza is now available at every corner from your house to your office. Just o__小题5:__ the phone call you can have pizza at your doorstep. People like pizza during office lunch hours or when they don’t have enough time to prepare food t____小题6:__. This is the main reason why pizza business is d___小题7:____ so quickly these days.

You will be amazed to hear that pizza, u__小题8:__ other fast food , is really a healthy diet. It is made f__小题9:___ olive oil（橄榄油）, tomato sauce（酱）, vegetables and whole meat, if you often eat it , you are less l___小题10:__ to have a heart attack.

某山区坡地生态环境破坏严重，人们根据不同坡度，分别采取保护性耕作、经济林种植和封山育林对其进行了治理。

该坡地经治理后，既扩大了植被覆盖面积、增加了对大气中（）的固定，又提高了经济产出，初步实现了生态效益和经济效益的同步发展。