If the doctor arrives in time, babies will be saved． [ ] A． all the little poor B． the all poor little C． all the poor little D． the all little poor 题目和参考答案——青夏教育精英家教网—

题目内容

If the doctor arrives in time, ________ babies will be saved．

[　　]

A．

all the little poor

B．

the all poor little

C．

all the poor little

D．

the all little poor

答案：C

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After   28 that day, Grandma said, “Sally, you wash the dishes.” But Sally said, “Grandma, Johnny told me that he wanted to   29 in the kitchen today, didn't you, Johnny?” And then she   30 to him, “Remember, the duck?” Then Johnny did the dishes.
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Birds that are half-asleep — with one brain hemisphere (半球) alert(警觉) and the other sleeping — control which side of the brain remains awake, according to a new study of sleeping ducks.
Earlier studies have recorded half-brain sleep in a wide range of birds. The brain hemispheres take turns sinking into the sleep stage characterized by slow brain waves. The eye controlled by the sleeping hemisphere keeps shut, while the wakeful hemisphere’s eye stays open and alert. Birds also can sleep with both hemispheres resting at once.
Decades of studies of bird groups led researchers to predict extra alertness in the end-of-the-row sleepers which tend to be attacked more easily. Sure enough, the end birds tended to watch carefully on the side away from their companions. Ducks in the inner spots showed no preference for gaze(注视) direction.
Also, birds napping (打盹) at the end of the line depend on single-hemisphere sleep, rather than total relaxation, more often than inner ducks did. Turning 16 birds through the positions in a four-duck row, the researchers found that compared with 12 percent for birds in inner spots, outer birds half-asleep during some 32 percent of napping time.
“We believe this is the first evidence for an animal behaviorally controlling sleep and wakefulness at the same time in different regions of the brain,” the researchers say.
The results provide the best evidence for a long-standing assumption that single-hemisphere sleep developed over time as creatures scanned for enemies. The preference for opening an eye on the lookout side could be widespread, he predicts. He’s seen it in a pair of birds napping side-by-side in the zoo and in a single pet bird sleeping by a mirror. The mirror-side eye closed as if the reflection were a companion and the other eye stayed open.
Useful as half-sleeping might be, it’s only been found in birds and such water animals as dolphins, whales, and seals. Perhaps keeping one side of the brain awake allows a sleeping animal to surface occasionally to avoid drowning.
Studies of birds may offer unique insights into sleep. Jerome M. Siegel of the UCLA says he wonders if birds’ half-brain sleep “is just the tip of the iceberg.” He supposes that more examples may turn up when we take a closer look at other species.
【小题1】According to the passage, birds often half sleep because ______.

A．they have to watch out for possible attacks

B．their brain hemispheres take turns to rest

C．the two halves of their brain are differently organized

D．they have to constantly keep an eye on their companions

【小题2】What is implied about the example of a bird’s sleeping in front of a mirror?

A．An imagined companion gives the bird a sense of security.

B．Birds prefer to sleep in pairs for the sake of their security.

C．The phenomenon of birds napping in pairs is widespread.

D．A single pet bird enjoys seeing its own reflection in the mirror.

【小题3】It can be inferred that _______.

A．Birds never sleep with both hemispheres resting at once.

B．Inner ducks depend on single-hemisphere sleep, rather than total relaxation, as often as birds napping at the end of the line do

C．It is not the first time for scientists to research on birds’ half-brain sleep

D．Birds hardly sleep without a companion

【小题4】By saying “just the tip of the iceberg”, Siegel suggests that _______.

A．half-brain sleep has something to do with icy weather

B．the mystery of half-brain sleep is close to being solved

C．most birds living in cold regions tend to be half sleepers

D．half-brain sleep may exist among other species

B
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NeCoRo is a robot cat that has been developed to be more than a toy. The robot uses sensors (传感器) that can detect movement and sound. It can even store helpful information in its memory. Its behaviour changes over time, just like a real pet.
60. From Paragraph 1 we learn that ________.
A. a human’s arms never get stiff
B. robots sometimes get bored just as humans do
C. robots can do some work which humans can’t
D. robots can work all day but they can’t play
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A. schools B. Hospitals C. cinemas D. factories
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A. A robot never says “NO” to the dangerous work.
B. A robot can “remember” useful information.
C. NeCoRo is a robot dog.
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63. What does the underlined word “detect” in Paragraph 3 mean?
A. Recognize. B. Create. C. Store. D. Destroy.

A man once said how useless it was to put advertisements in the newspapers．“last week, ” said he, “my umbrella was stolen from a London church．As it was a present, I spent twice its worth in advertising, but didn't get it back．”
“How did you write your advertisement?”asked one of the listeners, a merchant．
“Here it is, said the man, taking out of his pocket a slip cut from a newspaper．The other man took it and read, “Lost from the City Church last Sunday evening, a black silk umbrella．The gentleman who finds it will receive ten shillings on leaving it at No．10 Broad Street．”
“Now, ”Said the merchant, “I often advertise, and find that it pays me well．But the way in which an advertisement is expressed is of extreme importance．Let us try for your umbrella again, and if it </PGN0332.TXT/PGN>fails, I'll buy you a new one．”
The merchant then took a slip of paper out of his pocket and wrote：“If the man who was seen to take an umbrella from the City Church last Sunday evening doesn't wish to get into trouble, he will return the umbrella to No．10 Broad Street．He is well known．”
This appeared in the paper, and on the following morning, the man was astonished when he opened the front door．In the doorway lay at least twelve umbrellas of all sizes and colours that had been thrown, and his own was among them．Many of them had notes fastened to them saying that they had been taken by mistake, and begging the loser not to say anything about the matter．
【小题1】The result of the first advertisement was that ______________.

A．the umbrella was found somewhere near the church

B．the man got his umbrella back

C．the man wasted some money advertising

D．nobody found the missing umbrella

【小题2】The merchant suggested that the man should _______________.

A．buy a new umbrella

B．write another and better advertisement

C．go on looking for his umbrella

D．report the police

【小题3】“If it fails, I’ll buy you a new one,” suggested that the merchant
_______________.

A．wanted to buy him a new umbrella

B．didn’t know what to do