1. The horse is difficult to m_______ .

2. An a_________ means a young person or a teenager.

Part 2 Complete the following sentences according to the texts.

1. It's ______ ______ at my age I am still fit enough to ________ 20 kilometers in an afternoon.

像我这样的年纪，身体健康而且能在一个下午骑车跑20公里使人感到惊奇。

2. This will _______ sexual fluids ________ from one person to another.

这可以防止性交时产生的体液的传入。

3. Your mother tells me that you _____ ______ _____ and that you are finding _____difficult to give up.

你妈妈告诉我，你已经开始吸烟了，而且还很难将其戒掉。

4. You can ______ ________ ________ ______nicotine, which is one of the hundreds of chemicals in cigarettes. You can also become addicted _________ habit. Lastly, you can become__________ _________.

你会在身体上对尼古丁有瘾，它是香烟里几百种化学物质之一。你也可能因为习惯的原因而上瘾。最后，上瘾还有心理上的原因。

5. I didn't know it could _________ ________ ________ ______your heart and lungs or that it was more difficult for smoking couples to _________ __________.

我不知道抽烟能严重侵害人的心脏和肺部， 也不知道吸烟的夫妇生育能力会下降。

6. When I was ________ _________the school football team because I was too slow, I knew it was time to________ __________.

当我因为速度慢而被校足球队除名后，我才知道是我该戒烟的时候了。

7. I _______ hope so because I want you to live_____ _____ ____ _______ ______ ______ _____ I have.

我的确希望你把烟戒掉，因为我希望你能像我这样活的健康长寿。

8. If you start to feel __________ or_________, don't _______ _______ a cigarette.

如果你开始感到紧张有压力了，不要伸手去拿香烟。

9. So far, almost everyone who ______ _________ AIDS has died. HIV is spread through blood and fluids _______ the body makes during sex. For a person to ________ _________, blood or sexual fluids that ________ ______ _________ have to get inside the body through broken skin, or by injection.

到目前为止，几乎所有得上了艾滋病的人都已经去世。是通过血液或性交时产生的体液而传播的。携带HIV病毒的血液或体液必须通过皮肤上的创口或通过注射才能进入人体，使人受感染。

10. Anyone who has sex with a person _________ __________ HIV/ AIDS risks getting the virus. Many people carrying HIV look ___________ healthy. It is only when the disease ________ _________ __________AIDS ______ a person begins to look sick.