题目内容
Even if we have an extremely healthy diet and lifestyle, the human body is programmed to _______ at a maximum of about 120 years, and usually less.
- A.wear well
- B.wear away
- C.wear off
- D.wear out
完形填空(共15小题;每小题2分,满分30分)
阅读下面短文,掌握其大意,然后从下列各题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。
The human nose is an underestimated tool. Humans are often thought to be 1___ smellers compared with animals, but this is largely because, unlike animals, we stand upright. This means that our noses are 2 to detecting those smells which float through the air, 3 the majority of smells which stick to surfaces. In fact though, we are extremely sensitive to smells, even if we do not generally realize it. Our noses are capable of 4 human smells even when these are 5 to far below one part in one million.
6 , some people find that they can smell one type of flower but not another, while others are sensitive to the smells of both flowers. This may be because some people do not have the genes necessary to generate 7 smell receptors in the nose. These receptors are the cells which sense smells and send 8 to the brain. However, it has been found that even people insensitive to a certain smell at first can suddenly become sensitive to it when 9 to it often enough.
The 10 for insensitivity to smell seems to be that brain finds it 11 to keep all smell receptors working all the time but can 12 new receptors if necessary. This may also explain why we are not usually sensitive to our own smells we simply do not need to be. We are not 13 of the usual smell of our own house but we 14 new smells when we visit someone else's. The brain finds it best to keep smell receptors _ 15 for unfamiliar and emergency signals such as the smell of smoke, which might indicate the danger of fire.
| 1. A. sensitive | B. outstanding | C. insensitive | D. awkward |
| 2. A. limited | B. committed | C. devoted | D. conducted |
| 3. A. catching | B. ignoring | C. missing | D. tracking |
| 4. A. distinguishing | B. discovering | C. determining | D. detecting |
| 5. A. reduced | B. reserved | C. rescued | D. refused |
| 6. A. Fortunately | B. Strangely | C Happily | D. Amazingly |
| 7. A. unusual | B. particular | C. unique | D. typical |
| 8. A. signs | B. information | C. messages | D. signals |
| 9. A. subjected | B. left | C. drawn | D. exposed |
| 10A. expectation | B. expression | C. extension | D. explanation |
| 11.A convenient | B. competitive | C. inefficient | D. adequate |
| 12.A introduce | B. gather | C. develop | D. produce |
| 13.A sure | B. sick | C. aware | D tired |
| 14.A tolerate | B. resist | C. neglect | D. notice |
| 15.A available | B. reliable | C. valuable | D. suitable |
I was watching a TV series one night when I took in one scene. A man was seeking his community votes, and people 36 wanted to know why they should give him their 37 . He took them to his house and on every 38 in his house was the word “Faith” pasted. People raised lots of 39 to find out why the word was pasted on his mirrors. He said, “My dad often 40 me to believe that as long as you have 41 , you should have faith. Every time you look in to the mirror, you’re looking at yourself and see ‘Faith’. ”
The 42 I learned from this is simple — faith is a living thing and in the same way we’re all 43 given 24 hours a day and we’re all given the same measure of faith. Faith keeps us going when things get 44 ! Why is some people’s faith stronger than that of others? Exercise! If we choose to exercise our faith, it will 45 ; but if we choose not to, it remains weak. Some people might 46 that they don’t have faith, but we all practice faith every day even if we don’t 47 it was faith. Daily 48 , such as studying, investing or reaching for a dream, take faith.
Faith 49 hearing and doing. I made a decision yesterday — to 50 reading the newspaper full of too much sad and 51 news. Why? Because I 52 there was a drop of my mental state after reading the newspapers.
Faith, when it’s put to 53 , becomes a beautiful thing, It lifts your mental state to a higher place that 54 you to raise yourself up and declare, “Yes we can.” So make the decision today to strengthen your faith by 55 it.
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