15. Which is the proper title for the passage?

A. Electronic Equipment Harms the Brain

B. Good Rest Develops Good Memory

　　C. Tips on Using New Technologies

　　D. Being in Nature Is Good for the Brain

第二节（共5小题；每小题3分，满分15 分）

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

　　After a long day at work, coming home is a breath of fresh air. Home is a comfortable place to sit back and relax. __16__ Below are a number of things we can do to create a healthy home environment that will help to ease the workday stress and promote our physical and mental health.

Cleaning the house regularly is the first thing we should do. It may seem like a tiring thing to clean but there is a reason for doing so. We can remove dust by cleaning the house. Leaving layers of dust everywhere means that there is a build-up of dust. And where do these layers of dust go?__ 17__

Making sure the rooms are full of sunlight is also important. We may not realize it but sunlight is an important part of our growth. We all know that sunlight promotes better working conditions. __18___ Think about using a Parans system where sunlight does not reach. This technology gathers the sunlight by using solar panels. It can send out sunlight wherever we are.

__19__ Going green will help to remove toxins(毒素）in the air. They also give off oxygen, which can lower stress and improve our moods.

Along the lines of being green, it can also be vital to think about what things we are bringing into the house. Try to avoid specific plastics that are harmful to health. __20__ They may contain poisonous chemicals that can be breathed in, or simple absorbed through the skin.

A. However，is it as healthy as it can be?

B. Is our home as comfortable as it used to be?

C. Into our lungs.

D. The same thing applies to certain carpets and paint.

E. Besides, it can reduce both stress and high blood pressure.

F. It is also a good idea to add more plants in our house.

G. It is acknowledges that a greener lifestyle is linked to better health.

第二部分 英语知识运用（共两节，满分55分）

第一节 完形填空（共20小题：每小题2分，满分40分）

　　阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

　　I always come across random acts of kindness in my life. Many years ago, I was ___21__Costa Rica when I found myself in an __22___situation: my credit cards and bank cards went out of ___23____ abroad, and I only had $5 to my ___24___.

I had no way to get money. I didn't know anybody in this country. I only knew basic Spanish, and besides the cash the only ___25___I had was a return ticket to my country in almost two ___26___. Back then, there was no such thing as mobile phones, and___27___email was very limited. To find help, I decided to go to the countryside . With the only coins I had, I ___28____the bus terminal(终点站）and found a village, which ___29___almost the exact