【正文】 IIThe opening ceremony of this famous yearly petition (比賽) will begin at 11:30 . There will be music groups, rappers a。 but Beth, who kept the house, was loving and gentle always.The happy days passed and darkness came when a telegram arrived for Mrs. March. Your husband is very ill, it said, e at once. The girls tried to be brave when their mother left for the front. They waited and prayed. Little Beth got scarlet fever (猩紅熱) when she was taking care of a sick neighbor. She became very ill but began to recover by the time Marmee was back. Then Father came home from the front and at that joyful Christmas dinner they were once more all together.Three years later the March girls had grown into young womanhood. Meg became Mrs. Brooke, and after a few family troubles got used to her new state happily. Jo had found pleasure in her literary efforts. Amy had grown into a young lady with a talent for design and an even greater one for society. But Beth had never fully regained her health, arid her family watched her with love and anxiety.Amy was asked to go and stay in Europe with a relative of the Marches39。 73. A 69. C 64. C 60. D D. to help people choose their pet dogs56. A C. the systems D. interest73. When there are no stimuli, a dog will _______.A. wag to the leftEDogs wag(搖擺) their tails in different directions depending on whether they are excited and wanting to move forward or threatened and thinking of moving back, a study has found.Researchers in Italy examined the tail wagging behavior of 30 dogs, catching their responses to a range of stimuli(刺激物) with video cameras. To conduct the study they chose 15 male dogs and 15 female ones aged between one and six years. The dogs were all family pets whose owners had allowed them to take part in the experiment at Bari University. The dogs were placed i years. Tn a large wooden box with an opening at the front to allow for them to view various stimuli. They were tested one at a time.The researchers led by Professor Giorgio Vallortigara of the University of Trieste found that when the dogs were shown their owners—a positive experience—their tails wagged energetically to the right side. When they were shown an unfamiliar human they wagged to the right, but with somewhat less enthusiasm. The appearance of a cat again caused a righthand side wag, although with less intensity again. The appearance of a large unfamiliar dog, similar to a German shepherd, changed the direction of tail wagging to the left. Researchers supposed the dog was thinking of moving back. When the dogs were not shown any stimuli they tended to wag their tails to the left, suggesting they preferred pany. While the changes in the tail wagging were not easily noticed without the aid of video, it was thought that the findings could help people judge the mood (心情) of dogs. Computer and video systems, for example, could be used by professional dog trainers to determine the mood of dogs that they were required to approach.71. The video cameras were used to catch the dogs’ responses because_______.A. it was easier to catch the dogs’ response changes in the tail waggingB. the dogs were put in the wooden boxes and tested one at a time.C. they enabled the dogs’ owners to know about their dogs’ habitD. the dogs wagged their tails in different directions when they were in different moods72. The underlined word “intensity” in the passage means_______.A. surprise B. Learning at HomeC. Recording Work now we have found them.” He agreed such caves would be perfect places to hunt for life escaping from the bitterly cold, radiationsoaked(充滿(mǎn)輻射的), dry surface.“Tiny drops of water could collect inside,” he said. “If there are gases ing out, they could provide energy for a whole range of bacteria. A cave is also a protection from radiation。 B. An environmentalist. C. A sailor. D. All.59. In the passage, the writer intends to tell us that _______.A. Mr. Clark went to South Africa because he liked travellingB. Mr. Clark helped to set up a group of women’s clubsC. a good teacher can help raise his or her students’ scoresD. a good teacher has a good influence on his or her studentsBA small town in southwest Britain is banning(禁止) plastic bags in an attempt to help the environment and cut waste－a step that environmentalists believe is a first for Europe.Shopkeepers in Modbury population 1, 500, agreed to stop handing out disposable plastic bags to customers on Saturday. They said paper sacks and cloth carrier bags would be offered instead.Last month, San Franciso became the first U. S. city to ban plastic grocery bags. Internationally, laws to discourage the use of plastic bags have been passed in parts of South Africa and Ireland, where govermments either tax shoppers who use them or fine panies that hand them out. Bangladesh already bans them, and so do at least 30 remote Alaskan villages.Modbury, about 225 miles southwest of London, has also declared a bag ammesty(寬限期), allowing local people to hand in plastic bags that have piled up at home. They will be sent for a recveling.The Modbury ban was the idea of Rebecca Hosking, who saw the effect of bags on manne life while working in the Pacific as a wildlife camerawoman. She said response(反應(yīng)) in the town so far had been “really positive”.“Modbury is quite an oldfashioned town and a lot of people have wicker baskets to go out shopping anyway,” Hosking told Sky News Television.The Worldwatch Institute, an environmental research agency, states that 100 billion plastic bags are thrown away each year in the United States alone. More than 500 billion are used yearly around the world.60. What was Rebecca Hosking?A. A lawyer. C. Fiftyfive. C. a classroom rule. . . . .AWhen I met him, I had a