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American doctors say that mothers who smoke cigarettes before their babies are born may slow the growth of their babies’ lungs. They say that reduced lung growth could cause the babies to suffer breathing problems and lung disease later in life. Doctors in Boston, Massachusetts studied 1,000 children. The mothers of some of the children smoked, the other mothers did not. Doctors found that the lungs of the children whose mothers smoked were 8% less developed than the lungs of the children whose mothers did not smoke, and that the children whose mothers smoked developed 20% more cold and breathing diseases than other children later in life.
Another recent study found that children had a greater chance of developing lung cancer if their mothers smoked. The study also showed that the danger of lung cancer increased only for sons and not for daughters, and that the father’s smoking did not affect(影响) a child’s chance of developing lung cancer.
1. Who will most probably suffer from lung cancer?
A. A girl whose mother smoked before she was born.
B. A boy whose mother smoked before he was born.
C. A girl whose father smokes.
D. A boy whose father smokes.
2. Which of the following is true?
A. The children whose mother smokes get more chances to catch a cold than others.
B. All the children’s lungs are developed equally.
C. When the mother who smokes gave birth to her baby, it already had a certain kind of breathing disease.
D. Girls will probably suffer more than boys.
3. The main idea of the test is that ____________.
A. mothers’ smoking affects their children most
B. in order to keep children healthy, mothers had better not smoke
C. fathers’ smoking affects their children most
D. if mothers smoke, the danger of lung cancer increased only for sons and not for daughters
4. From this passage we can see that _______________.
A. a mother may have strong influences on her baby
B. smoking will do harm to not only the adults but also the children
C. girls won’t suffer from cold problems
D. both A and B
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The mice decided to hold a to find a way of stopping themselves from being in danger. One day, when the cat was out, mice of all ages into the meeting room.
“Let’s build a big trap(陷阱),”one mouse suggested. When this idea was ,another said, “What about poisoning (毒死) her?” But knew where to buy the poison. One young mouse, whose mother had become the cat’s food, angrily said, “Let’s cut her teeth, so she can do no more harm.” But the meeting did not accept his .
At last, one mouse, than the rest, jumped onto a table. Waving a bell, he called for silence, “Be quiet!We’ll tie this bell to the cat’s tail(尾巴), so we’ll always know she is!We’ll have to escape, and the slower and weaker mice will hear her coming and be able to !” Hearing the words, everyone got and they congratulated him on his good idea.
“We’ll tie it so tightly (紧紧地) that it will never drop off!”
“She’ll never be able to walk again!Why, the other day, she suddenly appeared right in front of me!Just imagine...”
However, the clever mouse said, “We must who is going to tie it on her tail.” There was not a sound in the room. Nobody was enough to put the plan into action. The meeting ended without any decision being made.
It’s often very to have good ideas, but putting them into practice is much more difficult.
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Then a policeman came." donkey is this?" he asked. "It' s ," said a farmer, "but I move it." The policeman and the farmer did best to move the donkey, but it would not move. We laughed, but the of the cars and the buses were . "We can't move the donkey," the farmer and the policeman said. "What shall we do?"
"Give him a carrot," my father said. " a good idea!" said the farmer.
Soon he found a and showed it to the donkey. When the donkey saw a carrot, it jumped up and walked after the farmer. the cars and buses could get past at last.
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