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- A. But Komfeld said scientists will not know about the applicability of the drugs in humans until a similar study is done on humans. “What’s very encouraging is that these drugs were developed to treat humans, and they are well understood, because they’ve
- B. Later the scientists discovered that two related anticonvulsant drugs also lengthened the lives of the worms-in the case of one drug, by almost 50 percent. “This was a big surprise to use, Komfeld said. ”“We didn’t think anticonvulsant drugs had any pa
- C. Roundworms are a poor subject for experiments, because they are not like humans, even though their molecules are similar. For example, they have no bones, nor do they show emotions, making it difficult to know how exactly human subjects would react to
- D. “Somehow the neural activity seems to regulate the aging of all of the body the skin, musculature, and reproductive tract, ” Kornfeld said. “Somehow the nervous system coordinates the progress of all these tissues, evidently, though the life stages. Bu
- E. The discovery may also shed light on the little-understood aging process. Since the drugs act on the neuromuscular systems of both humans and worms, the findings hint at a link between neural activity and aging。
- F. Unlike vertebrates, the worms are ideal subjects for the study of aging because of their short life spans, which last only a couple of weeks in a laboratory. The worm is well known in genetics, and the worm’s genome has been sequenced。
- G. Use of this drug has been permitted by law since 1998 and wider use is now expected as a result of the studies. “We can clearly link this drug with human aging, but we still need to find proof, says Kornfeld optimistically. ”
- A. But Komfeld said scientists will not know about the applicability of the drugs in humans until a similar study is done on humans. “What’s very encouraging is that these drugs were developed to treat humans, and they are well understood, because they’ve
- B. Later the scientists discovered that two related anticonvulsant drugs also lengthened the lives of the worms-in the case of one drug, by almost 50 percent. “This was a big surprise to use, Komfeld said. ”“We didn’t think anticonvulsant drugs had any pa
- C. Roundworms are a poor subject for experiments, because they are not like humans, even though their molecules are similar. For example, they have no bones, nor do they show emotions, making it difficult to know how exactly human subjects would react to
- D. “Somehow the neural activity seems to regulate the aging of all of the body the skin, musculature, and reproductive tract, ” Kornfeld said. “Somehow the nervous system coordinates the progress of all these tissues, evidently, though the life stages. Bu
- E. The discovery may also shed light on the little-understood aging process. Since the drugs act on the neuromuscular systems of both humans and worms, the findings hint at a link between neural activity and aging。
- F. Unlike vertebrates, the worms are ideal subjects for the study of aging because of their short life spans, which last only a couple of weeks in a laboratory. The worm is well known in genetics, and the worm’s genome has been sequenced。
- G. Use of this drug has been permitted by law since 1998 and wider use is now expected as a result of the studies. “We can clearly link this drug with human aging, but we still need to find proof, says Kornfeld optimistically. ”
- A. But Komfeld said scientists will not know about the applicability of the drugs in humans until a similar study is done on humans. “What’s very encouraging is that these drugs were developed to treat humans, and they are well understood, because they’ve
- B. Later the scientists discovered that two related anticonvulsant drugs also lengthened the lives of the worms-in the case of one drug, by almost 50 percent. “This was a big surprise to use, Komfeld said. ”“We didn’t think anticonvulsant drugs had any pa
- C. Roundworms are a poor subject for experiments, because they are not like humans, even though their molecules are similar. For example, they have no bones, nor do they show emotions, making it difficult to know how exactly human subjects would react to
- D. “Somehow the neural activity seems to regulate the aging of all of the body the skin, musculature, and reproductive tract, ” Kornfeld said. “Somehow the nervous system coordinates the progress of all these tissues, evidently, though the life stages. Bu
- E. The discovery may also shed light on the little-understood aging process. Since the drugs act on the neuromuscular systems of both humans and worms, the findings hint at a link between neural activity and aging。
- F. Unlike vertebrates, the worms are ideal subjects for the study of aging because of their short life spans, which last only a couple of weeks in a laboratory. The worm is well known in genetics, and the worm’s genome has been sequenced。
- G. Use of this drug has been permitted by law since 1998 and wider use is now expected as a result of the studies. “We can clearly link this drug with human aging, but we still need to find proof, says Kornfeld optimistically. ”
- A. 6 B. 8 C. 11 D. 14
- A. But Komfeld said scientists will not know about the applicability of the drugs in humans until a similar study is done on humans. “What’s very encouraging is that these drugs were developed to treat humans, and they are well understood, because they’ve
- B. Later the scientists discovered that two related anticonvulsant drugs also lengthened the lives of the worms-in the case of one drug, by almost 50 percent. “This was a big surprise to use, Komfeld said. ”“We didn’t think anticonvulsant drugs had any pa
- C. Roundworms are a poor subject for experiments, because they are not like humans, even though their molecules are similar. For example, they have no bones, nor do they show emotions, making it difficult to know how exactly human subjects would react to
- D. “Somehow the neural activity seems to regulate the aging of all of the body the skin, musculature, and reproductive tract, ” Kornfeld said. “Somehow the nervous system coordinates the progress of all these tissues, evidently, though the life stages. Bu
- E. The discovery may also shed light on the little-understood aging process. Since the drugs act on the neuromuscular systems of both humans and worms, the findings hint at a link between neural activity and aging。
- F. Unlike vertebrates, the worms are ideal subjects for the study of aging because of their short life spans, which last only a couple of weeks in a laboratory. The worm is well known in genetics, and the worm’s genome has been sequenced。
- G. Use of this drug has been permitted by law since 1998 and wider use is now expected as a result of the studies. “We can clearly link this drug with human aging, but we still need to find proof, says Kornfeld optimistically. ”
- A. But Komfeld said scientists will not know about the applicability of the drugs in humans until a similar study is done on humans. “What’s very encouraging is that these drugs were developed to treat humans, and they are well understood, because they’ve
- B. Later the scientists discovered that two related anticonvulsant drugs also lengthened the lives of the worms-in the case of one drug, by almost 50 percent. “This was a big surprise to use, Komfeld said. ”“We didn’t think anticonvulsant drugs had any pa
- C. Roundworms are a poor subject for experiments, because they are not like humans, even though their molecules are similar. For example, they have no bones, nor do they show emotions, making it difficult to know how exactly human subjects would react to
- D. “Somehow the neural activity seems to regulate the aging of all of the body the skin, musculature, and reproductive tract, ” Kornfeld said. “Somehow the nervous system coordinates the progress of all these tissues, evidently, though the life stages. Bu
- E. The discovery may also shed light on the little-understood aging process. Since the drugs act on the neuromuscular systems of both humans and worms, the findings hint at a link between neural activity and aging。
- F. Unlike vertebrates, the worms are ideal subjects for the study of aging because of their short life spans, which last only a couple of weeks in a laboratory. The worm is well known in genetics, and the worm’s genome has been sequenced。
- G. Use of this drug has been permitted by law since 1998 and wider use is now expected as a result of the studies. “We can clearly link this drug with human aging, but we still need to find proof, says Kornfeld optimistically. ”
- A. the phone went again
- B. she would be famous
- C. the policemen had already arrived
- D. she saw 20 policemen in the car park
- A. the passage B. the man’s room
- C. Vicki’s bedroom D. the top floor room
- A. the police called her
- B. he looked very strange
- C. he came to the hotel with little luggage
- D. he came to the hotel the day before New Year’s Eve
- A. Exact campus crime statistics。
- B. Crimes on or around campuses。
- C. Effective solutions to campus crime。
- D. Concerns about kids’ campus safety。
- A. that are protected by campus security
- B. that report campus crime by law
- C. that are free from campus crime
- D. that enjoy very good publicity
- A. receive too many visitors
- B. mirror the rest of the nation
- C. hide the truth of campus crime
- D. have too many watchdog groups
- A. mind B. admit
- C. believe D. expect
- A. he reads the ads in the newspaper
- B. he lives in the same neighborhood
- C. he has seen the car owners in the park
- A. criminals B. pigeons
- C. the stolen cars D. demands for money
- A. the car thief who stays at home
- B. one of those who put the ads in the paper
- C. one of the policemen in Changwa
- D. the owner of the pigeons
- A. how easily people get fooled by criminals
- B. what Chen thinks might be correct
- C. the thief is extremely clever
- D. the money paid is too little
- A. went to a certain pigeon and put some money in the bag it carried
- B. gave the money to the thief and had his car back in a park
- C. sent some money to the thief by mail
- D. told the press about it
- A. why TV is important in family life
- B. why parents should keep good order
- C. why children in small families seem to be quieter
- D. why middle children seem to have more difficulties in life
- A. It is important to have the right food for children。
- B. It is a good idea to have the TV on during dinner。
- C. Parents should talk to each of their children frequently。
- D. Elder children should help the younger ones at dinner
- 26
-
第23题：By saying “Middle children are invisible” in paragraph 3, Lewis means that middle children 。
- A. have to help their parents to serve dinner
- B. get the least attention from the family
- C. are often kept away from the dinner table
- D. find it hard to keep up with other children
- A. they are busy serving food to their children
- B. they are busy keeping order at the dinner table
- C. they have to pay more attention to younger children
- A. show the relationship between parents and children
- B. teach parents ways to keep order at the dinner table
- C. report on the findings of a study
- D. give information about family problems
- 29
-
第20题：
- A. and B. or C. than D. but
- 30
-
第19题：
- A. when B. where C. which D. what
- 31
-
第17题：
- A. after B. when C. until D. before
- 32
-
第18题：
- A. someone B. everyone C. men D. one
- 33
-
第14题：
- A. decreasing B. possessing C. inspiring D. urging
- 34
-
第15题：
- A. directly B. obscurely C. scarcely D. plainly
- 35
-
第16题：
- A. which B. that C. what D. one
- 36
-
第13题：
- A. look B. think C. view D. deal
- 37
-
第12题：
- A. on B. in C. about D. at
- 38
-
第10题：
- A. which B. when C. what D. where
- 39
-
第11题：
- A. take B. make C. come D. give
- 40
-
第9题：
- A. refused B. suspected C. expelled D. expected
- 41
-
第8题：
- A. in B. on C. at D. under
- 42
-
第7题：
- A. incorrect B. wrong C. false D. bad
- 43
-
第5题：
- A. Where B. Though C. Because D. When
- 44
-
第6题：
- A. minor role B. subject C. joke D. supplement
- 45
-
第3题：
- A. at B. in C. about D. on
- 46
-
第2题：
- A. united B. dragged C. drawn D. hauled
- 47
-
第4题：
- A. looked B. recognized C. exercised D. respected
- 48
-
第1题：
- A. in B. beyond C. under D. of
