题目内容
（请给出正确答案）
A. which one from the other
B. one from the other
C. one from which other
D. one and the other
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更多“Because the twins are identical, it is impossible to tell （).A: which one from the oth”相关的问题
______of the twins was arrested, because I saw both at a party last night.
A．None
B．Both
C．Neither
D．All
A．look like
B．look likely
C．look alike
D．look same
He could hardly tell the differences between the twins because they look______each other.
A.likely
B.unlike
C.alike
D.like
The author probably feels that twins' problem ______.
A．can not be solved because situation is very cruel
B．can be solved because twins will be separated
C．can not be solved unless the twins are forced to live in an ordinary environment
D．can be solved if the adults communicate with them more often
A.None
B.Both
C.Neither
D.All
______of the twins was arrested, because I saw both at a party last night.
A．None
B．Both
C．Neither
D．All
Tommy did not tell his teacher about the twins because
A．they were very young
B．he forgot that he had a baby sister
C．he wanted to keep one of them for another excuse
_______ of the twins was arrested, because I saw both at a party last night.
A. None
B. Both
C. Neither
D. All
Identical twins possess exactly the same set of genes. Yet as they grow older,
they may begin to display subtle differences. They may start to look different,
develop different diseases or slide into different persons. 【M1】______
Women who are identical twins may differ with their fertility or 【M2】______
the age at which they reach menopause. These discrepancies
usually attributed to ill-defined differences in environment. 【M3】______
But a whole new level of explanation has been opened up by a generic survey 【M4】______
showing that identical twins, because they grow older, differ increasingly in 【M5】______
what is known as their epigenome. The term refers to natural
chemical modifications that occur in a person's genome shortly before 【M6】______
conception and that act on a gcne as a gas pedal or a brake,
marking it for higher or lower activity. 【M7】______
Identical twins have the same set of epigenetic mark on the genome 【M8】______
when they are born. But differences in the epigenome disappear 【M9】______
as the twins grow older and become greater the longer they live together, 【M10】______
say a team of researchers led by Dr. Manel Esteller of the Spanish National Cancer Center in Madrid.
【M1】
Section B
Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
听力原文： Britain's Dean Durrant and his wife Alison Spooner are the luckiest people in the world because (26)they produced two sets of "black-and-white twins" within seven years. A mixed-race couple who had one black and one white twin daughter seven years ago have described how they defied the odds and did it again.
The newly-born twins were named Miya and Leah respectively. Miya has her father's black skin and Leah is white like her mother. When the first set of twins arrived in 2001, the couple were astonished to see that blueeyed, red-haired Lauren takes after her mother while (27) the older sibling Hayleigh has black skin and black hair like her father.
Alison Spooner told Sky News, "I honestly didn't think it would happen again. I thought we would have two the same, either black or white, and I didn't think we would have twins again for a start. That was a shock. "
Mr. Durrant said (27)he began to suspect they were different colors when second-born Miya arrived. He explained, "I was sure in my mind there was a difference but I didn't, think it was as much as with Hayleigh and Lauren, but obviously it is."
Miya and Leah were delivered at Frimley Park Hospital at just 37 weeks of pregnancy. (28) The babies were taken to a special care unit because they were not breathing properly so it took five days for the parents to see them side by side.
Carol Cooper, author of a book on twins, said there was a two in a million chance of a second set of twins like the Durrant girls.
(27)
A．They have four daughters.
B．They are from America.
C．The husband has red hair.
D．The wife is black.
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