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发布时间:2023-10-03 11:26:01

[单项选择]

More than three million years ago, our ancestors were already on the march, rising on two legs to search for food, seek greener lands and, above all, to grow in body and brain. Let’s meet some of them:
1. Australopithecus afarensis
They had ape-like faces and their brains were a third the size of modem humans’ brains. They lived 3-3.9 million years ago. Fossils were found in Ethiopia in 1974.
2. Paranthropus boisei
Covered with fur, they had strong arms and gorilla-like faces. They lived 1-2.5 million years ago. Fossils were found in Tanzania in 1959.
3. Homo habilis
Homo habilis, which actually means "handy man", was the first species to make and use primitive stone tools. They lived 1.6-2.2 million years ago. Fossils were found in Tanzania in 1960.
4. Homo erectus
With skeletons very similar to those of modern humans, they were probably the first to use fire. They lived 30,000-1.8 million year
A. Homo Neanderthal.
B. Homo habilis.
C. Paranthropus boisei.
D. Australopithecus afarensis.

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[单项选择]

More than three million years ago, our ancestors were already on the march, rising on two legs to search for food, seek greener lands and, above all, to grow in body and brain. Let’s meet some of them:
1. Australopithecus afarensis
They had ape-like faces and their brains were a third the size of modem humans’ brains. They lived 3-3.9 million years ago. Fossils were found in Ethiopia in 1974.
2. Paranthropus boisei
Covered with fur, they had strong arms and gorilla-like faces. They lived 1-2.5 million years ago. Fossils were found in Tanzania in 1959.
3. Homo habilis
Homo habilis, which actually means "handy man", was the first species to make and use primitive stone tools. They lived 1.6-2.2 million years ago. Fossils were found in Tanzania in 1960.
4. Homo erectus
With skeletons very similar to those of modern humans, they were probably the first to use fire. They lived 30,000-1.8 million year
A. Man could stand on two feet.
B. Man’s brain became big enough.
C. Man’s arms became strong.
D. Man could use the stone tools.

[单项选择]More than three years after moving from Australia to this remote point of England, we are still learning how things have done here.( )
A. More than
B. remote
C. still
D. have done
[单项选择]
More than three years after moving from Australia to this remote part of England, we are still learning how things are done here.
Not too long after we arrived and unpacked, we were invited for "a drink on Sunday morning" by a retired couple nearby. We got there about noon, to find the living-room crowded—lots of chat and discussions, and on all a very jolly occasion.
Trouble was, there was no food—no self-respecting Australian would regard a tray of crisps as food. In Sydney, when you are invited for a drink any time after midday on a Sunday, you know you will be fed as well as watered and you plan accordingly. Meaning the hard-worked little woman makes no plans to cook lunch because you are eating out.
By one-fifteen my stomach was sending up "please explain" to me. Even the crisps had gone. There was nothing we could do except wait, an
A. (A) the only people there
B. (B) given lunch as well
C. (C) taken to a restaurant for lunch
D. (D) asked to take some food with them
[单项选择]Passage Three
Three years ago, researchers announced the discovery of human genes that were capable of turning ordinary cells into malignant ones. The news met with some skepticism. Experts asked how a single gene could cause such a dramatic change. Why does cancer take years or even decades to develop if it is caused by such a simple and direct process In last week’s issue of the, three research teams answered those questions by setting forth a new model for understanding the role of oncogenes in cancer.
Each group found that it does in fact take more than a single gene to produce cancer in normal cells. Teams at M. I. T and Cold Spring Harbor Laboratory on Long Island, N. Y. , reported that they could induce cancer in normal rat cells only by inserting at least two types of oncogene into the cells. "A single oncogene produced some changes,
A. was caused by normal cells
B. sometimes resulted from internal actions of the victim’s own body
C. was a hereditary disease
D. was a form of malignancy
[单项选择]A. Three years ago. B. For three years.
C. Maybe in three years. D. No, only three years.
[单项选择]Passage Three
For more than six million American children, coming home after school means coming home to an empty house. They spend part of each day alone. They are called "latchkey children". They’re children who look after themselves while their parents work. And their bad conditions have become a social problem.
Lyne Brown was once the headmaster of an elementary school. She said, "A lot of kids had chains around their necks with keys attached.! was constantly telling them to put them inside shirts. There were so many keys, it never came to my mind what they meant. ",slowly, she learned they were house keys.
Lyne learned of the impact working couples and single parents were having on their children. She found that Fear is the biggest problem faced by children at home alone. Many had nightmares and were worried about their own safe
A. latchkey children enjoy having such a large amount of time alone
B. latchkey children try to hide their feeling
C. latchkey children often watch TV with their parents
D. it’s difficult to find out how many latchkey children there are

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