Stephen Hawking believes that the earth is unlikely to be the only planet life has developed gradually． A． that B． where C． which D． whose 题目和参考答案——青夏教育精英家教网—

精英家教网 > 高中英语 > 题目详情

Stephen Hawking believes that the earth is unlikely to be the only planet life has developed gradually．

A． that B． where C． which D． whose

解析:

略

练习册系列答案

年级	高中课程	年级	初中课程
高一	高一免费课程推荐！	初一	初一免费课程推荐！
高二	高二免费课程推荐！	初二	初二免费课程推荐！
高三	高三免费课程推荐！	初三	初三免费课程推荐！
更多初中、高中辅导课程推荐,点击进入>>

相关习题

科目：高中英语 来源： 题型：阅读理解

The German shepherd runs off and noses around in the grass of Kenya’s Laikipia Plateau． “OK, Oakley,” the dog’s handler orders, “Find it!”

Oakley sniffs （嗅） until he comes to a bush, then stops, sits, and looks up at his handler． She bends to see what he has found: the waste of an endangered African wild dog． “Good dog!” she praises． The handler pulls a tennis ball from her pocket． Oakley jumps for his reward．

“He doesn’t actually want the waste,” says Aimee Hurt, a founding member of the U．S．-based group Working Dogs for Conservation． Hurt is in Kenya to train both Oakley and his handler． “He finds it so he can play with his ball． We’re the ones who want the waste．”

Detection dogs are sometimes taught to locate actual animals． Black-footed ferrets （雪貂） have been studied with their help． But more often the dogs learn to locate the waste of creatures such as bears, wolves and mountain lions．

What the dogs find provides scientists with data about a species． Scientists can use the DNA collected from animal waste to identify individuals, sex, and population sizes — all without ever seeing the animal itself． “It can take years to gather this kind of information if you have to trap animals,” Hurt explains．

Waste analysis might make a huge difference when wild species are accused of attacking domestic livestock （家畜）． Hurt says, “A good detection dog will find the waste so we can see what the animal is actually eating．” This may help reduce problems between people and wildlife．

The underlined word “She” in Paragraph 2 refers to “_____”．

A． the German shepherd B． an African wild dog

C． Aimee Hurt D． the handler

Oakley is interested in finding the waste because _____．

A． he wants to study endangered animals

B． he can get a tennis ball to play with

C． he wants to eat it

D． he wants to play with it

Which of the following is TRUE according to the passage?

A． Trapping animals is not difficult．

B． People are making efforts to protect the environment．

C． Detection dogs attack domestic livestock frequently．

D． Collecting animal waste is a good way to gather information．

What is the main idea of the passage?

A． Detection dogs can help scientists study wildlife．

B． Detection dogs can defend wildlife．

C． Detection dogs can help the police catch the criminals．

D． Detection dogs can help local people defend domestic livestock．

查看答案和解析>>

科目：高中英语 来源： 题型：阅读理解

语法填空（共10小题；每小题1.5分，满分15分）

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词或使用括号中词语的正确形式填空。

Animal testing

“It is always my ambition to be a research analyst studying amphibian anatomy（两栖动物解剖学）for the benefit of mankind.” said Dr. Cull to the high school students touring the laboratory. “My ancestors were all scientists and my father taught 1 that it is simply amazing to appreciate the details in each creature. I also hope that my research can help us to understand 2 humans influences these creatures so that we can know how to improve 3 (environment) problems and correct our wrongs.”

“You are very ambitious, Dr. Cull.” a bright, amber-haired girl said. “So you are looking for similarities between animals and humans?”

“Yes, and there are already enough findings. We know much about how anesthetics(麻醉药) work, for example, 4 (base) on clinical trials with rats.” “But I disagree with using animals for tests!” another student suddenly said. “ 5 is often discussed whether using animals for testing is moral. But the knowledge we have collected about health, vaccines, antibiotics 6 (be) incredible. We have benefited a lot 7 animal research.”replied the Doctor.

“ 8 I've seen videos of animals for research put in bad conditions.”Another student broke in. “Oh, it seems that we've hit on 9 interesting topic.What about stepping into this conference room and discussing it 10 (far)？”

查看答案和解析>>

科目：高中英语 来源： 题型：阅读理解

任务型阅读（共5小题；每小题1分，满分5分)

请认真阅读下列短文，并根据所读内容在文章后表格中的空格里填入最恰当的单词。注意：每空只填1个单词。

What will man be like in the future? We can only make a guess, but we can be sure that he will be different from what he is today.

In the modern world we use our brains a great deal. Even so, we still make use of only about 20% of the brain’s capacity. As time goes on, however, we shall have to use our brains more and more, and eventually we shall need larger ones! This is likely to bring about a physical change too the head, in particular the forehead, will grow larger.

Nowadays our eyes are in constant use. In fact, we use them so much that very often they become weak and we have to wear glasses. But over a very long period it is likely that man’s eyes will grow stronger.

On the other hand, we tend to make less use of our arms and legs. These, as a result, are likely to grow weaker. At the same time, however, our fingers will grow more sensitive because they are used a great deal in modern life.

But what about hair? It will probably disappear from the body altogether in the course of time because it does not serve a useful purpose any longer. In the future, both sexes are likely to be bald（秃的）.

Perhaps all these give the impression that future man will not be attractive creature to look at! This may well be true. All the same, future man will still have a lot in common with us. He will still be a human being, with thoughts and emotions similar to our own.

Title: Man in the future

	Brain	We’re using twenty percent of our brains at present. With the increasing use in the future, our brains may eventually become ____.
	Head	The head, particularly the forehead will enlarge.
	Eyes	Though our eyes are becoming weaker nowadays, they are likely to grow stronger over a long ______.
	Arms and legs	Our arms and legs will grow weaker, ______from the less use of them.
	Fingers	Fingers will become more sensitive due to the constant use.
	Hair	Hair will probably _______from the body. It is possible that both males and females are bald in the future.
Future man may look ______, but he will still have thoughts and emotions similar to ours.