题目内容
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The female ostrich would push some of the eggs out of her nest because ______.
A．she can only hatch her own eggs
B．those eggs are unlikely to be hatched
C．those eggs are to be hatched by others
D．she can only hatch a limited number of eggs
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更多“The female ostrich would push some of the eggs out of her nest because ______.A．she can on”相关的问题
The female ostrich identifies her own eggs by their size and ______.
A．color
B．number
C．shape
D．weight
The female ostrich lays her eggs in her neighbors' nests most probably because ______.
A．her nest -is not big enough
B．she cannot protect all her eggs
C．she cannot tolerate all her eggs
D．her nest is not comfortable enough
Normally, in every rainy season, the female ostrich produces about ______.
A．12 eggs in her nest
B．18 eggs in her nest
C．20 eggs in her nest
D．30 eggs in her nest
The female ostrich normally produces about twenty eggs every rainy season. When the female ostrich begins to lay her eggs, however, she does not begin in her own nest. Instead she goes off in search of the nests of neighboring females and lays two or three eggs in each of them. By the time she has laid eight or nine eggs, she returns and lays the rest in her own nest.
Because of the size of the eggs, the female ostrich cannot lay more than one every two days, so it takes her three weeks to finish laying in her own nest. During that period, she spends a lot of time away from her nest looking for food. And while she is off her nest, other females visit it to lay their eggs amongst hers. By the time she is ready to sit on the eggs to hatch them, there could be up to thirty eggs in her nest, over half of which are not her own.
The female ostrich can comfortably cover only about twenty eggs when she is sitting on the nest so before settling down she pushes the surplus ten or so eggs out of the nest. The rejected eggs, however, never include any of her own. Each female is remarkably consistent in the size and shape of the eggs she produces, so it is not difficult for her to distinguish her own from those of strangers.
Of all the eggs laid by a colony of ostriches, only a very small number hatch into young birds. There are times when nests are left unprotected, for there are too few males to sit on all the nests at night. Thus there are ample opportunities for their natural enemies to raid the nests and eat the eggs. In fact, nearly 80% of the nests are destroyed. But even if a particular female’s nest suffers this fate, there is a good chance that one or two of her eggs will be hatched in the nest of one of her neighbors.
We learn from the text that an ostrich can go a long distance at high speed as ______.
A．it is a special kind of bird
B．it lives in large desert areas
C．it has special wings and legs
D．it is the largest bird in the world
Text 3
The ostrich, the largest bird in the world at present, lives in the drier regions of Africa outside the actual deserts. Because of its very long, powerful legs and the floating effect of its extended wings, it is able to run at great speed over considerable distances.
The female ostrich normally produces about twenty eggs every rainy season. When the female ostrich begins to lay her eggs, however, she does not begin in her own nest. Instead she goes off in search of the nests of neighboring females and lays two or three eggs in each of them. By the time she has laid eight or nine eggs, she returns and lays the rest in her own nest.
Because of the size of the eggs, the female ostrich cannot lay more than one every two days, so it takes her three weeks to finish laying in her own nest. During that period, she spends a lot of time away from her nest looking for food. And while she is off her nest, other females visit it to lay their eggs amongst hers. By the time she is ready to sit on the eggs to hatch them, there could be up to thirty eggs in her nest, over half of which are not her own.
The female ostrich can comfortably cover only about twenty eggs when she is sitting on the nest, so before settling down she pushes the surplus ten or so eggs out of the nest. The rejected eggs , however, never include any of her own. Each female is remarkably consistent in the size and shape of the eggs she produces, so it is not difficult for her to distinguish her own from those of strangers.
Of all the eggs laid by a colony of ostriches, only a very small number hatch into young birds. There are times when nests are left unprotected, for there are too few males to sit on all the nests at night. Thus there are ample opportunities for their natural enemies to raid the nests and eat the eggs. In fact, nearly 80% of the nests are destroyed. But even if a particular female's nest suffers this fate, there is a good chance that one or two of her eggs will be hatched in the nest of one of
her neighbors.
56. We learn from the text that an ostrich can go a long distance at high speed as_________
[A] it is a special kind of bird
[B] it lives in large desert areas
[C] it has special wings and legs
[D] it is the largest bird in the world
W: That's true. Apart from the costumes, the characters are differentiated by their faces.
M: In what way？
W: There are four main types of character; the lead, the female lead, the painted face and the clown. Take a careful look at the actors and see ff you can tell which is which.
M: That man there -with a white nose is the clown. That beautiful girl is the female lead.
W: That's fight. By the way, how old do you think the actress is？
M: She looks as if she's in her teens.
W: In fact, she is in her late forties.
M: My goodness, it's almost unbelievable!
W: That's where the art comes in Mei Lanfang, a very famous actor, who used to play the role of a young female lead until he was in his seventies.
M: Really？ He must be an excellent actor! Well, I can't tell which the painted face is.
W: There are actually more than one. They paint their faces in different patterns with different colors to re- veal their characters. Red stands for loyalty, and white for the opposite meaning, black for uprightness and integrity.
M: Yes, the make-up seems as much fun as the performance.
W: I'm glad you enjoy it.
(23)
A．The female lead.
B．The clown.
C．The painted face.
D．The old lead.
The older a female elephant is, ______.
A．the stronger she will be
B．the poorer memory she will have
C．the more useless her tusks will be
D．the more likely she will be killed
According to the speaker, who is most likely to become a victim of pickpockets？
A．A woman whose bag is hanging in front.
B．A lone female with a handbag at her right side.
C．An old lady carrying a handbag on the left.
D．A mother with a baby in her arms.
听力原文：M: Could you tell how many of your employees are women？
W: Yes, certainly. We have a very high percentage of female staff. we employ about 160 women, which is eighty percent of all our staff.
Q: How many of the employees in this organization are men？
(15)
A．80.
B．160.
C．20.
D．40.
听力原文：W: Could you tell me how many of your employees are women？
M: Yes, certainly. We have a very high percentage of female staff. We employ about 100 people, and eighty percent of them are women.
How many of the employees in this organization are men？
A．80.
B．20.
C．40
D．60
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