Once upon a time, on an isolated island in the Java sea, lived short people who dominated the food chain. Standing no more than three and a half feet tall, these human ancestors hunted giant rats, lum 题目和参考答案——青夏教育精英家教网—

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Once upon a time, on an isolated island in the Java sea, lived short people who dominated(支配, 占优势) the food chain. Standing no more than three and a half feet tall, these human ancestors hunted giant rats, lumbering lizards（笨拙的蜥蜴), and miniature elephants.
It sounds a bit like a fairy tale, but it's true. Unearthed relics on the island uncovered the remains of a race of tiny human ancestors. Homo floresiensis, as the newly discovered species has been named, apparently could date back to 13,000 years ago. This means they have a lot in common with modern humans.
So how and why did these people get so small? Scientists suspect that it's due to the fact that this race lived on an isolated island with limited resources. Take the miniature elephants for example. When elephants first came to the island either by swimming or by some kind of natural land raft, they were probably close to full size. But since there wasn't much to eat, over time smaller elephants lived longer and better. The smaller the elephant was, the less it had to eat to stay strong and healthy.
Scientists call this the "island role", and it can apply to humans as well as animals. Given the island's sparse(稀少) food supply, it makes sense that the early humans living there would have evolved (进化) a body size requiring less food to survive. So bigger isn't always better.
In the floresiensis, at least, getting smaller was the way to go.
小题1:According to the passage, the fact Homo floresiensis are very small is based on________.

A．the islanders in the Java Sea	B．the human ancestors
C．the unearthed relics	D．a newspaper report

小题2: The underlined word "miniature" in the first paragraph most probably means______.

A．tiny

B．active

C．rare

D．wild

小题3:People on the island got so small because____________.

A．they did not have enough food to eat.

B．they gradually developed for lack of food.

C．they shared less food with elephants.

D．they remained alive as the elephants.

小题4: What might be the most suitable title of the passage?

A．The history of short people

B．Short people from a fairy tale

C．The proofs on short people

D．Short people on an isolated island

小题5:According to the passage, getting smaller can make people and animals ____

A．run quickly

B．live longer

C．live weaker

D．run slowly

小题1:C
小题2:A
小题3:B
小题4:D
小题5:B

试题分析：
小题1:细节题：从第一段的句子：Unearthed relics on the island uncovered the remains of a race of tiny human ancestors. 可知Homo floresiensis 个头矮小的事实是以出土文物为基础的，选C
小题2:猜词题：从第三段的句子：The smaller the elephant was, the less it had to eat to stay strong and healthy. 可知小象越小，吃的食物就越少，miniature和tiny意思相近，选A
小题3:细节题：从第三段的句子：Scientists suspect that it's due to the fact that this race lived on an isolated island with limited resources. 可知这些人之所以矮小是因为缺少食物，选B
小题4:标题题：从第一段的句子：Once upon a time, on an isolated island in the Java sea, lived short people who dominated(支配, 占优势) the food chain.可知这篇文章讲的是孤岛上的矮人，选D
小题5:推理题：从第三段的句子: But since there wasn't much to eat, over time smaller elephants lived longer and better. 可以推断出，个子矮小的人和动物可以更长寿，选B

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A．drove

B．started

C．parked

D．broke

小题2:

A．outside

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A．playing

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A．way

B．length

C．time

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小题5:

A．even if

B．as if

C．so long as

D．now that

小题6:

A．park

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C．prison

D．castle

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A．get up

B．take up

C．break down

D．lie down

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A．tear

B．smile

C．pleasure

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A．however

B．instead

C．therefore

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A．luckily

B．apparently

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C．quiet

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小题13:

A．worry

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A．boy

B．child

C．player

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A．chance

B．fortune

C．approval

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A．someone

B．anyone

C．everyone

D．one

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A．fail

B．run

C．fall

D．cry

小题18:

A．embarrassing

B．disappointing

C．frightening

D．amusing

小题19:

A．happened

B．contributed

C．related

D．mattered

小题20:

A．discovery

B．observation

C．story

D．incident

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