2019_2020学年高中英语Unit7TheSea课时跟踪检测(一)Warm_up

阅读理解

A

Satellites in space measure temperatures over large areas of the ocean. They are, however, less specific when it comes to measuring temperatures along the coast. However, there is a new solution.

Scientists want people who do water sports to help them gather coastal climate data. This includes surfers, divers and fishermen. The idea came from new data collected by scientists who are also surfers. The group was led by a scientist in England named Bob Brewin. The group designed a surfboard that could be their laboratory. The results show different water temperatures than what the satellites have shown.

Coastlines are important to the economy. Large amounts of people use them for business and fun. Coastlines are also important for the environment because they are home to many different plants and animals.

Brewin says satellite data alone cannot be trusted. So, his team wants volunteers to gather data during their water activities. The information the volunteers find will be used along with satellite readings. The scientists think this will result in more accurate information.“We can begin to understand how our coastal environment is responding to climate change，” Brewin said.

They want surfers to check water surfaces and divers to measure temperatures deeper in the water. The information would then go into the scientists' database. Meanwhile, a group of scientists from Europe had another idea. The group is interested in boots that some fishermen use. These boots sense water temperatures. The scientists think the fishermen who wear those boots could be connected to a data­collection system.

Many water sports take place in areas that are important for sea life. These locations can be difficult to check, Brewin says. For example, ocean waves can ruin data­collection floats and boats. So, coastal sea­surface temperature records are poor.

语篇解读：本文是一篇说明文。科学家依靠冲浪者、潜水者和渔民获取有关海岸线温度的信息。

1．What's the problem with satellites?

A．They can't measure temperatures over the ocean.

B．They can't locate coasts very accurately. C．They might provide unreliable data. D．They break down frequently.

解析：选C 细节理解题。根据第一段中的“They are, however, less specific when it comes to measuring temperatures along the coast”可知，当涉及到海岸线温度时，卫星提供的信息不可靠。

2．What did Brewin's team do?

A．They turned a surfboard into a lab. B．They did research on water sports. C．They made efforts to learn surfing. D．They made friends with fishermen.

解析：选A 细节理解题。根据第二段中的“The group designed a surfboard that could be their laboratory”可知，以Brewin为首的科学家们把冲浪板改成了实验室。

3．How can volunteers help Brewin? A．Analyze satellite readings.

B．Compare data from different sources. C．Wear boots designed by Brewin's group.

D．Go into waters of different depths to collect data.

解析：选D 细节理解题。根据第五段中的“They want surfers to check water surfaces and divers to measure temperatures deeper in the water”可知，科学家希望志愿者们进入不同深度的海水中进行数据收集。

4．Why is it difficult to check the temperature of coastlines? A．Surfers face great danger. B．Beaches cover huge areas.

C．Data­collection boats are too big. D．Waves damage the measuring equipment.

解析：选D 推理判断题。根据最后一段中的“For example, ocean waves can ruin data­collection floats and boats”可知，海浪会毁掉测量设备，这使得对海岸线温度的监测变得异常困难。

B

There are eight species of dolphins in Hawaii. The bottle­nosed dolphin is the most common type of dolphin. This name came from its longer upper and lower jaws. This dolphin is a very loving and friendly animal. There are cases of dolphins that rescue

injured divers in the ocean.

In Hawaii, you can experience swimming with dolphins. There are several companies on Oahu and the Big Island that offer a swim with these animals in the wild. These kinds of tours usually are combined with water sports such as snorkel (水下呼吸管) or scuba diving.

Dolphins are protected by the Marine Mammal Protection Act and it is against the law to become closer than 50 yards (45 m)to them. But these friendly animals can approach to check you out. You have to consider that if dolphins prefer to keep away, you should not try to swim close to them. If dolphins come close while you are swimming in the ocean, don't attempt to touch them and don't make aggressive or sudden movements.

At the Sea Life Park on Oahu, they have special dolphin programs that allow you to swim and hug dolphins, besides, you'll learn about these mammals' habits. The Dolphin Quest program will explain to you why dolphins are considered one of the most intelligent creatures.

Swimming with dolphins is one of the most attractive activities if you come to Hawaii. But Hawaii's underwater world is amazing and has many other species to watch：Humpback whales，Green sea turtles，Monk seals and so on.

While you get in touch with this underworld，always have in mind the main rule of the ocean respect: Look but don't touch.

语篇解读：本文向读者介绍在夏威夷和海豚一起游泳时需要注意的几点事项。 5．What's the main idea of Paragraph 1? A．Dolphins in Hawaii have long­bottle noses. B．Dolphins in Hawaii love friends.

C．Dolphins in Hawaii always save the divers. D．Dolphins in Hawaii are explained in brief.

解析：选D 段落大意题。第一段简单地介绍了夏威夷海域里海豚的情况。

6．According to the Marine Mammal Protection Act, when you swim in the ocean you .

A．have to follow the dolphins B．must stay close to the dolphins

C．should keep a distance from the dolphins D．can't move with the dolphins

解析：选C 细节理解题。由第三段第一句 “Dolphins are protected ... to them.”

可知，人们要与海豚保持一定的距离，否则就触犯了法律。

7．If you want to know something about dolphins' life, you can . A．travel to the Big Island now and then B．obey the Marine Mammal Protection Act

C．turn to the dolphin programs at the Sea Life Park D．live with the dolphins for a long time on Oahu

解析：选C 细节理解题。由第四段可知，从这些节目中可以了解海豚的生活习性。 8．When travelling around Hawaii's underwater world, you can do all of the following EXCEPT .

A．swim with dolphins B．have a hug with dolphins

C．watch other animals besides dolphins D．touch every animal

解析：选D 推理判断题。由文章最后一句可知，在夏威夷海底世界有些动物不能触摸。

C

Far from the land of Antarctica, a huge shelf of ice meets the ocean. At the underside of the shelf there lives a small fish, the Antarctic cod.

For forty years scientists have been curious about that fish. How does it live where most fish would freeze to death? It must have some secret. The Antarctic is not a comfortable place to work and research has been slow. Now it seems we have an answer.

Research was begun by cutting holes in the ice and catching the fish. Scientists studied the fish's blood and measured its freezing point.

The fish were taken from seawater that had a temperature of －1.88℃ and many tiny pieces of ice floating in it. The blood of the fish did not begin to freeze until its temperature was lowered to －2.05℃. That small difference is enough for the fish to live at the freezing temperature of the ice­salt mixture.

The scientists' next research job was clear: Find out what in the fish's blood kept it from freezing. Their search led to some really strange things made up of a protein (蛋白质) never before seen in the blood of a fish. When it was removed, the blood froze at seawater temperature. When it was put back, the blood again had its anti­freeze quality and a lowered freezing point.

Study showed that it is an unusual kind of protein. It has many small sugar molecules (分子) held in special positions within each big protein molecule. Because

of its sugar content, it is called a glycoprotein. So it has come to be called the anti­freeze fish glycoprotein or AFGP.

语篇解读：本文主要讲述了对一种能够生活在南极冰冷海洋中的鱼的研究。 9．What is the text mainly about?

A．The terrible conditions in the Antarctic. B．A special fish living in freezing waters. C．The ice shelf around Antarctica. D．Protection of the Antarctic cod.

解析：选B 主旨大意题。本文主要讲述了对一种能够生活在南极冰冷的海水中的鱼的研究，因此B项是文章的中心意思。

10．Why can the Antarctic cod live at the freezing temperature? A．The seawater has a temperature of －1.88℃. B．It loves to live in the ice­salt mixture. C．A special protein keeps it from freezing. D．Its blood has a temperature lower than －2.05℃.

解析：选C 细节理解题。根据文中第五段的说明可以 知道：正是这种特殊的蛋白质使得这种鱼在南极海水中生活而不至于被冰冻。

11．What does the underlined word “it” in Paragraph 5 refer to? A．A type of ice­salt mixture. B．A newly found protein. C．Fish blood. D．Sugar molecule.

解析：选B 代词指代题。根据文中的叙述可以判断出该物质就是帮助这种鱼生活在南极海水中的神奇的蛋白质。

12．What does “glyco­” in the underlined word “glycoprotein” in the last paragraph mean?

A．sugar C．blood

B．ice D．molecule

解析：选A 词义猜测题。根据“Because of its sugar content, it is called a glycoprotein.”这句话可以推断出前缀“glyco­”应该和sugar有关。