题目内容
Man has five senses(感官): sight, hearing, ________, taste and touch. They _____ information for the brain(大脑). For example, the eyes collect information ______ pictures and the ears collect information on ______.
Sight
_____ of a human's two eyes has an eyelid(眼皮) and an eyebrow(眉毛). They protect the eyes. The eyes can only see with light. Light_______ the picture of something into the eyes so the human can see it.
Hearing
Sounds travel _______ the air like waves (波). They are called sound waves. Human ears _______ cups. They catch these waves for the brain and the brain changes them into different sounds. Sound waves are much slower than light. So you always see lightning first and then you _____ the thunder.(雷声)
Smell
Humans smell with their _______ Most people can _____ about 10,000 kinds of smell. This is amazing! But dogs can smell 1,000 times better than humans. Humans have five million receptor cells (接受细胞). ______, dogs have two hundred million!
Taste
People can taste food because they have taste buds (味蕾) on their tongues. There are about 10,000 taste buds. Old taste buds die and new ones __________ every two weeks. But when people get older, this happens less often.
Touch
There are receptor cells for the sense of touch all over the body. This is different from ________ four senses. Touch receptor cells are in the lowest part of the skin. They help the body to have all kinds of feelings like pain, cold and heat. Some parts of the body (like the fingertips) are more sensitive than other parts of the body (like the back) because they have more _________ receptor cells.
1.A. listen B. touch C. smell D. see
2.A. collect B. give C. throw D. teach
3.A. in B. through C. from D. on
4.A. noises B. voices C. sounds D. feelings
5.A. All B. Every C. Each D. None
6.A. carries B. carry C. to carry D. carrying
7.A. on B. in C. through D. of
8.A. are like B. like C. don’t like D. enjoy
9.A. smell B. taste C. hear D. touch
10.A. eyes B. noses C. ears D. hands
11.A. tell B. speak C. talk D. explain
12.A. However B. And C. So D. But
13.A. come across B. come in C. come through D. come out
14.A. others B. another C. the other D. other
15.A. touch B. smell C. hearing D. taste
智慧小复习系列答案阅读下面短文，根据短文内容填写表格。
Which do you think are the most important inventions(发明) in the world? The TV? The printing? The telephone? Or the computer? A report shows that they are not the only important inventions. Here are three other important inventions.
One of the simplest inventions is the toilet. Before toilets, waste ran into rivers from people’s houses. Illnesses were common in big cities, and it was often difficult to find clean drinking water.
Animal food is another important invention. Before the invention, most animals were killed(杀死) every autumn because there was not enough food for them in winter. After hay (干草) became a kind of common animal food, animals could live through the long winter.
The third great invention is glasses. Glasses help people read, write and do “close work” after the age of 45. Without glasses, the world would be difficult for the people above(超过)45.
1. inventions | ||
Some most important inventions | Three 2. simple inventions | Before the inventions |
The TV The printing The telephone The 3. | The 4. | Waste ran into rivers 5. people’s house. Illnesses were common in big 6.. It was not often 7. to find clean drinking water. |
Hay , animal food | People killed most animals in autumn because there was not enough food in 8.. | |
9. | 10. , writing and other “close work” would be difficult for the people above forty-five if there were no glasses. |