答案：B 细节理解题。根据最后一段的最后一句“Children lose their fear of reading out loud...”可知对狗朗读时，小孩儿不会害怕，因而可以一直读下去，故选B。
67．What is implied in the passage?
A．People with dogs have higher levels of stress.
B．People with low blood sugar levels are more interested in dogs. C．People living with dogs have a higher chance of having diabetes. D．It has not been proved that dogs react to blood sugar levels change.
答案：D 推理判断题。根据三段第二句中的“there is very little scientific data to support these claims...”可知，目前还没有科学依据能证明狗可以察觉到人体内血糖浓度的变化。
D
The ancient Maya mastered the art of ceramic (制陶艺术) in a manner which virtually no other culture did.
The Vase of the Seven Gods, made in the area of Naranjo, an ancient city of the Maya civilization in the present-day Petén, Guatemala, shows the fine way Maya handled clay.Like all art of Maya, this vase exhibits highly religious symbols. Furthermore, the artist's name is carved along the bottom of this piece in the form of a small white rabbit.
Ceramics also served as reminders of ancestors and gods. The Flour De Lis Vase is a fine example of this. The water lilies are not only symbols of new birth and life giving qualities, but a constant reminder of purity. On this vase, the water lilies are white, which is undoubtedly a sign of purity. The black background shows the sea, in which the lilies float.
Furthermore, ceramics served practical functions in the Maya culture. Vases, which are quite commonly seen today, were used primarily to hold liquid chocolate and cocoa. Bowls were used to hold various maize (玉米) products. Maize was seen as the imaginary body of the Maize God and the ancient Maya thought that as one ate the maize or the body of God from the bowl, they actually became God. Plates were merely
used for and object.
Finally, Maya used depictions on ceramics to resurrect (复活) family members and honor gods. Because they believe that they would come back to life with their names spoken or their figures drawn, the carvings and paintings on these ceramics played a vital role in Maya spirituality.
Clearly, ceramics served a key function in ancient Maya society from dinner plates to acts of God.
文章大意：本文介绍了古老的玛雅文化，叙述了古代玛雅人高超的制陶艺术。 68．What do we know from the passage?
A. The art of ceramic of the ancient Maya was instructed by gods. B. The Vase of the Seven Gods was made by the people of Guatemala. C. The ceramic art of the ancient Maya was the best in the world at that time. D. Naranjo is a well-known city of Guatemala at present.
答案：C 细节理解题。根据第一段The ancient Maya mastered the art of ceramic in a manner which virtually no other culture did.可知，古老的玛雅文化中的制陶艺术是当时其他文化所没有的，故答案为C。
69．Which of the following is a characteristic of the art of Maya? A. Seven gods are carved on a vase. B. A vase exhibits highly religious symbols. C. The artist's name is carved on the top of a vase. D. There is a big white rabbit on a vase.
答案：B 推理判断题。根据第二段Like all art of Maya，this vase exhibits highly religious symbols.可知，像所有玛雅艺术品一样，带有七个上帝的花瓶代表着最高的宗教形象，故答案为B。
70．The ancient Maya used the Flour De Lis Vase to ________. A. remind them of their ancestors and gods B. hold water and grain or cook food C. show the importance of new birth and life D. express people's pure friendship and love
答案：A 推理判断题。根据第三段第一、二句Ceramics also served as reminders of ancestors and gods.The Flour De Lis Vase is a fine example of this.可推断，答案为A。
71．The Maya carved names and figures of family members on ceramics to ________.
A. honor their family members B. be remembered by their children C. draw the attention of the shoppers D. wish they would come back to life
答案：D 细节理解题。根据第五段Because they believe that they would come back to life with their Flames spoken or their figures drawn可知，答案为D。
E
Just in time for National Popcorn Day, a new study shows that people in what's now Peru were eating the snack about 2,000 years earlier than we thought.
Coastal peoples were preparing corn-based foods up to 6,700 years ago, according to analysis of remains of the ancient corn recently discovered at the Paredones and Huaca Prieta archaeological sites on Peru's northern coast.
Previously, evidence of corn as a food about 5,000 years ago had mostly come from what are called microfossils—microscopic remains that do not offer information on the size and shape of the corncobs (玉米棒). But the new-found corn remains revealed a lot, via radiocarbon dating and other tests.
The people who lived in Paredones and Huaca Prieta probably cooked corn in several ways: Wrapping a corncob and resting it on coals, roasting a corncob directly over a flame, or cooking a corncob in an earthen oven. In this culture, corn was a delicious food or a minor supplement to the diet—archaeological evidence shows they did not eat it in large amounts.
Corn was first grown in Mexico about 9,000 years ago from a wild grass called teosinte, according to Piperno, whose research has been published in the journal Proceedings of the National Academy of Sciences. A few thousand years later, corn was brought to South America, where farmers bred the plant crop into hundreds of varieties.
Indeed, what surprised Piperno most about the new research was the diversity of corn—from corncob shapes to kernel (玉米粒)colors discovered in the new-found remains. “Farmers like to experiment and grow cool things，” she said.
文章大意：一项新的考古研究发现人类在距今约6700年前已开始食用玉米。 72．What would be the best title for the passage?
A. Ancient popcorn was made 2,000 years earlier than thought in Peru.
B. A new discovery revealed the mystery about corn. C. How was corn cooked in ancient Peru and South America? D. National Popcorn Day and the new-found corn remains in Peru.
答案：A 主旨大意题。文章第一段提出了全文的主旨“a new study says that people in what's now Peru were eating the snack 2, 000 years earlier than we thought”并在后文具体说明了的这一发现。
73．From the passage we can learn that microfossils of corn ________. A. showed that people began cooking corn about 5,000 years ago
B. offered detailed information on the size of the ancient corncobs C. showed the specific shape of the ancient corncobs D. were analyzed by scientists via radiocarbon dating
答案：A 细节理解题。根据第三段“Previously, evidence of corn as a food about 5,000 years ago had mostly come from what are called microfossils...”可知，玉米微化石显示人们在大约5000年已开始以玉米为食物。
74．What can we know about the new-found corn remains?
A. They revealed people in Paredones and Huaca Prieta never roasted a corncob directly over a flame.
B. They revealed people in Paredones and Huaca Priota lived mainly on corn-based foods.
C. They showed us how ancient farmers bred corn from a wild grass. D. They offered more information on ancient corn than microfossils of corn. 答案：D 推理判断题。根据第三段“...microscopic remains that do not offer information on the size and shape of the corncobs. But the new-found corn remains revealed a lot...”可知新发现的玉米遗迹能够比玉米微化石提供更多的关于古代玉米的信息。
75．What can we know from the last paragraph?
A. Remains of ancient corn were found in different places of the world. B. Various kinds of corn were discovered in the new-found corn remains.
C. Ancient corncob shapes and kernel colors are quite different from those of today.
D. Piperno likes to experiment and grow cool things.
答案：B 推理判断题。根据最后一段“what surprised Piperno most about the
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