20. under the chair21 Yao Ming is NBA player.A. a B. an C. / D. the 查看更多

 

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There are about 80,000,000 mines*  under the ground in more . than 60 countries. It is difficult and dangerous to clear these rnines, About 50  people including many children were’ killed ‘or htirt each iay.  In 2003,  APOPO,  a Dutch research com pan y that uains the an imals, came up with the-idea of s\ng rats to search for the mines.

The animal trainers ‘found that a kind of rats from Africa were clever and had.a sharp*  sense of smell.  The rats were about 75 cm long and.weighed about l.35 kg, light enough to run across a minefield without setting off the mines.

  In January 2004, the APOPO started this project. First, the trainers let the 4-week-old baby rats get familiar with humans. A few weeks later, the rats were no Ionger afraid of people and ‘the things around them. Then they were trained to connect a click* sound with food. After the rats had leamed that, the trainers then taught them to tell the difference between the smell of mines and other smells. When the rats could do it, the click was sounded and they were given a bit of banana.  The method was called clicker training. “The training isn’t easy, said trainer Abdullah Mchomvu.  “You have to be patient. Sometimes I get angry, but then again, I tell myself these are animals.”

  After nine months’  training, the rats were taken to a minefiel山  They’ran across the minefield, stopped, sat and scratched the ground to tell the deminers*  that they smelt out’a mine.  Then the mine was cleared. It had  taken two ‘deminers  a day to clear a 200㎡ . minefield,  but with the help of two rats ‘they could finish it in two hours.

  The rats and ~he deminers saved thousands of lives,  “The rats did this job much better than we expected. So far they have helped to make almost 2,000,000㎡ of land safe. They are heroes,” said Bart Weeqens, the head of the APOPO.

1. The APOPO trained the rats to search for     .

A. children    B. animals      C. mines     D. bananas

2. While training the rats, the trainers have to be

A. patient     B. clever        C. brave         D. serious

3. How long did the training last?

A. Two hours.    B. One day.    C. Four weeks.    D. Nine months.

4.Which of the following is NOT TRUE according to the passage?

A. Each day about 200 people were killed or hurt by mines,

B.The APOPO started to train the rats in January 2004.

C. The trainers gave the rats food after they smelt out a mine.

D.The rats and the deminers saved thousands of lives.

 

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There are about 80,000,000 mines*  under the ground in more . than 60 countries. It is difficult and dangerous to clear these rnines, About 50  people including many children were’ killed ‘or htirt each iay.  In 2003,  APOPO,  a Dutch research com pan y that uains the an imals, came up with the-idea of s\ng rats to search for the mines.
The animal trainers ‘found that a kind of rats from Africa were clever and had.a sharp*  sense of smell.  The rats were about 75 cm long and.weighed about l.35 kg, light enough to run across a minefield without setting off the mines.
In January 2004, the APOPO started this project. First, the trainers let the 4-week-old baby rats get familiar with humans. A few weeks later, the rats were no Ionger afraid of people and ‘the things around them. Then they were trained to connect a click* sound with food. After the rats had leamed that, the trainers then taught them to tell the difference between the smell of mines and other smells. When the rats could do it, the click was sounded and they were given a bit of banana.  The method was called clicker training. “The training isn’t easy, said trainer Abdullah Mchomvu.  “You have to be patient. Sometimes I get angry, but then again, I tell myself these are animals.”
After nine months’training, the rats were taken to a minefield. They’ran across the minefield, stopped, sat and scratched the ground to tell the deminers*  that they smelt out’a mine.  Then the mine was cleared. It had  taken two ‘deminers  a day to clear a 200㎡ . minefield, but with the help of two rats ‘they could finish it in two hours.
The rats and the deminers saved thousands of lives, “The rats did this job much better than we expected. So far they have helped to make almost 2,000,000㎡ of land safe. They are heroes,” said Bart Weeqens, the head of the APOPO.
【小題1】 The APOPO trained the rats to search for     .

A.childrenB.a(chǎn)nimalsC.minesD.bananas
【小題2】 While training the rats, the trainers have to be
A.patientB.cleverC.braveD.serious
【小題3】 How long did the training last?
A.Two hours.B.One day.C.Four weeks.D.Nine months.
【小題4】Which of the following is NOT TRUE according to the passage?
A.Each day about 200 people were killed or hurt by mines,
B.The APOPO started to train the rats in January 2004.
C.The trainers gave the rats food after they smelt out a mine.
D.The rats and the deminers saved thousands of lives.

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There are about 80,000,000 mines*  under the ground in more . than 60 countries. It is difficult and dangerous to clear these rnines, About 50  people including many children were’ killed ‘or htirt each iay.  In 2003,  APOPO,  a Dutch research com pan y that uains the an imals, came up with the-idea of s\ng rats to search for the mines.
The animal trainers ‘found that a kind of rats from Africa were clever and had.a sharp*  sense of smell.  The rats were about 75 cm long and.weighed about l.35 kg, light enough to run across a minefield without setting off the mines.
In January 2004, the APOPO started this project. First, the trainers let the 4-week-old baby rats get familiar with humans. A few weeks later, the rats were no Ionger afraid of people and ‘the things around them. Then they were trained to connect a click* sound with food. After the rats had leamed that, the trainers then taught them to tell the difference between the smell of mines and other smells. When the rats could do it, the click was sounded and they were given a bit of banana.  The method was called clicker training. “The training isn’t easy, said trainer Abdullah Mchomvu. “You have to be patient. Sometimes I get angry, but then again, I tell myself these are animals.”
After nine months’  training, the rats were taken to a minefiel山  They’ran across the minefield, stopped, sat and scratched the ground to tell the deminers*  that they smelt out’a mine.  Then the mine was cleared. It had  taken two ‘deminers  a day to clear a 200㎡ . minefield,  but with the help of two rats ‘they could finish it in two hours.
The rats and ~he deminers saved thousands of lives, “The rats did this job much better than we expected. So far they have helped to make almost 2,000,000㎡ of land safe. They are heroes,” said Bart Weeqens, the head of the APOPO.
【小題1】 The APOPO trained the rats to search for     .
A.childrenB.a(chǎn)nimalsC.minesD.bananas
【小題2】 While training the rats, the trainers have to be
A.patientB.cleverC.braveD.serious
【小題3】 How long did the training last?
A.Two hours.B.One day.C.Four weeks.D.Nine months.
【小題4】Which of the following is NOT TRUE according to the passage?
A.Each day about 200 people were killed or hurt by mines,
B.The APOPO started to train the rats in January 2004.
C.The trainers gave the rats food after they smelt out a mine.
D.The rats and the deminers saved thousands of lives.

查看答案和解析>>

There are about 80,000,000 mines*  under the ground in more . than 60 countries. It is difficult and dangerous to clear these rnines, About 50  people including many children were’ killed ‘or htirt each iay.  In 2003,  APOPO,  a Dutch research com pan y that uains the an imals, came up with the-idea of s\ng rats to search for the mines.

The animal trainers ‘found that a kind of rats from Africa were clever and had.a sharp*  sense of smell.  The rats were about 75 cm long and.weighed about l.35 kg, light enough to run across a minefield without setting off the mines.

  In January 2004, the APOPO started this project. First, the trainers let the 4-week-old baby rats get familiar with humans. A few weeks later, the rats were no Ionger afraid of people and ‘the things around them. Then they were trained to connect a click* sound with food. After the rats had leamed that, the trainers then taught them to tell the difference between the smell of mines and other smells. When the rats could do it, the click was sounded and they were given a bit of banana.  The method was called clicker training. “The training isn’t easy, said trainer Abdullah Mchomvu.  “You have to be patient. Sometimes I get angry, but then again, I tell myself these are animals.”

  After nine months’  training, the rats were taken to a minefiel山  They’ran across the minefield, stopped, sat and scratched the ground to tell the deminers*  that they smelt out’a mine.  Then the mine was cleared. It had  taken two ‘deminers  a day to clear a 200㎡ . minefield,  but with the help of two rats ‘they could finish it in two hours.

  The rats and ~he deminers saved thousands of lives,  “The rats did this job much better than we expected. So far they have helped to make almost 2,000,000㎡ of land safe. They are heroes,” said Bart Weeqens, the head of the APOPO.

1. The APOPO trained the rats to search for     .

A. children    B. animals      C. mines     D. bananas

2. While training the rats, the trainers have to be

A. patient     B. clever        C. brave         D. serious

3. How long did the training last?

A. Two hours.    B. One day.    C. Four weeks.    D. Nine months.

4.Which of the following is NOT TRUE according to the passage?

A. Each day about 200 people were killed or hurt by mines,

B.The APOPO started to train the rats in January 2004.

C. The trainers gave the rats food after they smelt out a mine.

D.The rats and the deminers saved thousands of lives.

 

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Many people hurt their backs when they try to lift heavy things from the floor. It is easy to hurt your back muscle(肌肉) when you try to pick up a heavy thing. However, there is a correct way to lift things from the floor. If you pick up heavy things correctly, you probably will not hurt your back.
To lift something from the floor correctly, first bend (彎曲) your knees and lower yourself. Keep your back straight. Do not bent over, from your waist (腰) keep your back and hips (臀部) and waist in a line. If you bent over, the muscles in your lower back can became hurt very easily. If you keep your back and hips straight, the muscles are stronger, because they hold up together. The other muscles can then help the lower back muscles.
As you lower yourself, try to get as close to thing as you can, put one knee on each side of the thing. Remember at all times to keep your back straight. Put your hand under the thing that is in front of you, between y our knees.
To lift the thing, you should stand up slowly. Use your leg muscles in order to stand up. In other words, lift with your legs, not with your back.
【小題1】Which part of your body is more easily to be hurt when you lift heavy things?

A.The leg muscles.B.The back muscles
C.The hipsD.The knees
【小題2】Many people hurt their backs when they lift something because _______.
A.they are not strong
B.the things are very heavy
C.the way to lift the things is not correct
D.they are very heavy
【小題3】The muscles are stronger if you _______.
A.keep your back, hips and waist in a line
B.bend over from your waist
C.lower yourself
D.get down on your knees
【小題4】To lift heavy things, the most important of all is to _________.
A.stand up slowly
B.keep your back straight
C.bend your knees
D.put one knee on each side
【小題5】What does “In other words” mean? ________
A.總而言之B.換句話說(shuō)C.在其它話中D.在其它單詞中

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