1 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Dogs are often called “man’s best friend” and make ideal pets.     1     most attractive quality of a dog is its faith in its owner. They always greet us when we come home and they will never leave us when we are     2     danger. For example, there was a very sick man and his dog barked and barked until the rescue team     3     (arrive).

Furthermore, dogs are strong animals     4     will protect us. Houses with dogs are considered much     5     (safe) than those with burglar alarms (防盗警报器). Not only will they stop thieves,     6     they will also guard against fire. For example, there was a serious fire and a dog managed     7     (pull) its owner out.

And     8     (final), dogs can be trained by people. Dogs can do a number of things that people can not. For example, they can find drugs, bodies, illegal DVDs and hunt down prisoners with     9     (they) nose. They’re also used to help the elderly and disabled.

To sum up, dogs are really friendly, civilized (文明的) and loyal     10     (partner) .

2 . 阅读下面短文, 在空白处填入1个适当的单词或括号内单词的正确形式。

Saving nature is at the very heart of what we do as World Wildlife Fund(WF). For nearly 60 years, we have made it our mission    1    (find)solutions that save the amazing herd of life on our planet by     2     (apply)the best science available and working closely with local    3     (community). But our work is far from done. Humans     4     (be)behind the present rate of species extinction,     5     is at least 10—1, 000 times    6     (high) than nature intended. We’ve seen     7     surprising 60% drop in the size of populations of mammals, birds, fish and reptiles in just over 40 years, according to WWF’s Living Planet Report 2018. And the influences will reach far beyond the possible cultural loss of some species like tigers, rhinos and whales. The good news is that we’ve also seen what’s working. WWF has been part of     8     (success)wildlife recovery stories, from southern Africa’s black rhinos     9     blackbucks(印度羚羊)in the Himalayas. And this, in turn, is helping to protect rich and various ecosystems while ensuring people continue benefiting from nature.

This is clear: we cannot afford to fail in     10     (we)mission to save a living planet.

3 . 阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

The spider monkey has long, thin arms with hook-like hands that allow it to swing (摇摆) through the trees. It has a prehensible (缠绕性的) tail, which means it can grasp and can be used like a     1    (five) leg to grab trees. During the day, the spider monkey searches     2     fruits, which make up the main part of its diet. They will also eat flowers, seeds, leaves, and small insects during the dry season     3     fruits aren’t available. They spend most of the daylight hours climbing and swinging through the high branches of trees.

The brown-headed spider monkey lives in a large community of about 20 to 100 male and female monkeys. Females     4    (normal) give birth to only a single baby each year or two. Young monkeys are carried on their mothers’     5    (stomach) until about 16 weeks old. Then they are strong enough     6    (ride) on their mothers’ backs.

Spider monkeys hug each other and wrap their tails around each other. They are very     7    (intelligence) and have strong memories. They are named spider monkeys     8     they look like spiders as they hang upside down from their tails with their arms and legs     9     (swing).

Now hunting the brown-headed spider monkey is forbidden in Ecuador,     10     country in northwestern South America, but humans have killed them for their meat for hundreds of years.

4 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

A number of white cranes (鹤) have been spotted at Poyang Lake in Jiangxi province,     1     (mark) the start of the migratory (迁徙的) birds’ wintering in China’s     2     (large) freshwater lake this year.

At 10:45 am, October 29, 2020, one white crane     3     (observe) at the lake. Another 17 were spotted at 2:30 pm, according to staff with the Jiangxi Poyang Lake National Nature Reserve Administration.

Apart from white cranes, white-naped cranes, grey cranes, oriental white storks,     4     other species of migratory birds have also arrived at the lake.

White cranes are also known as “living fossil” birds,     5     only about 4,000 in the world. Every year at the end of autumn and the beginning of winter, they fly to the lake for the winter, aiming     6     (search) for food in shallow water. From late February to early March the following year, a large number of birds begin to fly to the     7     (north) part.

Poyang Lake is an important wintering area     8     (natural) for waterbirds in Asia. More than 300 migratory birds from Russia, Mongolia, Japan, and the Democratic People’s Republic of Korea, as well as China’s northwest and northeast     9     (quarter) have their flocks (鸟群) to winter at the lake each year, of     10     115 are waterbirds, accounting for about 51% of the country’s waterbirds.

5 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

This week, New Jersey Governor Phil Murphy signed a bill banning the use of elephants, tigers and other wild animals in circus, acts,    1    (make) New Jersey the first state in the country to pass such a law. The law    2    (go) into effect since its formal declaration.

    3    (know) as “Nosey’s Law”, the bill is designed to protect animals in traveling circus acts from being abused. Nosey, the law's namesake, is a 36-year-old African elephant who    4    (force) to travel around the country and give rides at events despite being    5    (severe) lame by arthritis(关节炎). The arthritis had likely caused unnecessary suffering and permanent     6    (disable) for Nosey, but the U.S. Department of Agriculture filed to take action to0 protect Nosey, and Nosey’s owners continued to use her in shows.

“These animals belong in their natural habitats, not in performances    7    their safety is at risk.” Governor Murphy said. The law finally became a reality because    8    the years of hard work and the bill passes the New Jersey legislature (立法机构)with only three opposing    9    (vote), Illinois and New York have already banned the use of elephants in traveling or entertainment acts     10    New Jersey is the first to ban all wild and exotic animals.

6 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Sea turtles have been swimming in the world’s warm waters for millions of years.

Male sea turtles stay in the water, while females come out at night    1    (lay) eggs in the sand. These babysea turtles dig out of their nests at night and go back to the water. They swim to deeper water,    2    is safer, but their journey is tough and they will face many    3    (nature) dangers. Crabs, birds, lizards, fish, and foxes all try to eat the baby turtles. Most baby turtles don’t survive to become adults.To make matters worse, people pose (造成) many    4    (threat) to sea turtles.

When we pollute the water    5    trash or chemicals, the water becomes less safe to the animals that live there. Eating plastic bags can make sea turtles choke and die. Chemical    6    (pollute) may also lead to diseases in them.

Catching fish for food is a big business. The problem happens when fishermen    7    (accident) catch other animals like sea turtles. Sea turtles can    8    (kill) by nets and other fishing tools.

After all these years,    9    number of sea turtles in the world is getting smaller. They are endangered, which means they’re in danger of    10    (disappear) forever. Take action to protect sea turtles now!

7 . 阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

A kind of insect gets its name for the body shape, which resembles a long stick. Such an amazing     1     (appear) helps it successfully hide from predators(捕食者) in the branches of trees. These creatures     2     (call) stick insects. Often called walking sticks, they live on every continent except Antarctica. They can be smaller than an inch or longer than     3     18-inch ruler.

There are some other ways stick insects use to defend     4     (they). Some can hit attackers with their spiny legs. Others spray something in no time     5     burns an attacker’s eyes. And some just taste bad. The Peruvian stick insect is one of them. This stick insect is     6     (easy) to see because it has red, yellow, and black markings than others. These bright colors are a warning to predators, who know it discharges something with an unpleasant smell when     7     (attack).

Stick insects are mostly nocturnal, which means they are active at night, when they spend their time eating leaves. Darkness makes it harder for most predators     8     (discover) them. However, darkness doesn’t protect stick insects     9     one super set of insect hunters, insect-eating bats. These bats use echolocation(回声定位) to find yummy bug dinners. And stick insects are     10     (absolute) on the menu as something these bats want to eat!

8 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Penguins are some of the most recognizable and beloved birds in the world and even have their own holiday: World Penguin Day. It     1     (celebrate) every year on April 25. Penguins are also     2     (amaze) birds because of their physical adaptations to survive in unusual climates and to live mostly at sea.

Penguins are primarily found only in the Southern Hemisphere (南半球), while most people associate penguins with Antarctica in     3     these birds are much more widespread. Penguin populations can be found in South America, South Africa, Australia and New Zealand, as well     4     many small islands in the southern Pacific Ocean.

The naturally northernmost penguin species is the Galapagos penguin, which lives year round near the equator on the Galapagos Islands. This penguin     5     (regular) crosses the equator into the Northern Hemisphere as it swims while feeding.

Penguins lost the ability to fly     6     (million) of years ago, but their powerful flippers (脚蹼) and streamlined bodies make them become     7     (skill) swimmers. They are the fastest swimming and deepest diving species of the bird and can stay underwater up to 20 minutes at     8     time. While swimming, penguins will leap above the surface of the water.

Penguins’ eyes work     9     (well) underwater than they do in the air, giving them superior eyesight     10     (spot) prey (猎物) while hunting, even in cloudy or dark water, or in the rapid flow. What a surprising and cute animal it is!

9 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

The polar bear is found in the Arctic Circle and some big land masses as far south as Newfoundland. While they are rare north of 88°, there is evidence     1     they range all the way across the Arctic, and as far south as James Bay in Canada. It is difficult to figure out a global population of polar bears as much of the range has been     2    (poor) studied; however, biologists calculate that there are about 20,000-25,000 polar bears worldwide.

Modern methods     3     tracking polar bear populations have been employed only since the mid-1980s, and are expensive     4    (perform) consistently over a large area. In recent years some Inuit people in Nunavut     5    (report) increases in bear sightings around human settlements, leading to a     6    (believe) that populations are increasing. Scientists have responded by     7    (note) that hungry bears may be congregating(聚集) around human settlements, leading to the illusion(错觉) that populations are     8    (high) than they actually are. Of     9     nineteen recognized polar bear subpopulations, three are declining, six     10    (be) stable, one is increasing, and nine lack enough data.

10 . 第二节语法填空(共10小题；
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为1—10的相应位置上。 In Africa, when the antelope wakes up every morning, the first thing    1    comes into his mind is, “I must be able to run    2    (fast) than the fastest lion,    3    I will be killed by a lion.” And at just the same time, the lion    4    (wake) out of his dream, and the first thing    5    (flash) into his mind is: “I must be able to catch up with the slowest antelope, otherwise I will starve to    6    (dead).” So almost at the same moment    7    the antelope and the lion jump to their feet, and start    8    (run) toward the rising sun.
Such is life —    9    you are an antelope or a lion, you ought to dash forward without    10    (hesitate) when the sun rises.