Humans are mammals（哺乳动物）．Most mammals are bor...

Humans are mammals（哺乳动物）．Most mammals are born able to do many things. Some can walk within a few minutes of being born. They have to be able to run away if__________is near. But human babies are born__________. They need the care of adults to live.

In the first month of life, babies cannot smile or sit up. They cannot even hold up their own heads________some help from grown-ups.　

In the next few months, babies grow a lot. They learn to roll over, support their heads, and　 _____sit up while being held.

Babies also have to learn to use their_______. It takes months for them to learn to reach for objects. At around six months old many babies can_______an object from one hand to another.

Babbling is________ a human baby learns to speak. Babies all seem to make similar sounds by babbling. They try to imitate (模仿) the sounds they hear from adults. It will take about nine months________a baby can say real words.

Somewhere around a baby's first birthday he or she may stand or walk with help. Soon the baby will_______around on his or her own!

The first year of a baby's life is a time of growing and________. Growing sure takes a lot of work!

1.A. food　　 B. danger　　 C. waste　　 D. peace

2.A. careless　　 B. harmless　　 C. hopeless　　 D. helpless

3.A. of　　 B. for　　 C. without　　 D. by

4.A. even　　 B. never　　 C. ever　　 D. still

5.A. legs　　 B. heads　　 C. eyes　　 D. hands

6.A. keep　　 B. move　　 C. hold　　 D. make

7.A. why　　 B. how　　 C. which　　 D. where

8.A. before　　 B. since　　 C. after　　 D. while

9.A. look　　 B. show　　 C. run　　 D. sit

10.A. speaking　　 B. smiling　　 C. crying　　 D. learning

八年级英语完型填空困难题查看答案及解析

Dolphins are not fish. They are mammals(哺乳动物). They live in groups and speak to each other in their own language. But they are quite different from almost all land animals. Their brain is as big as men’s and they live a long life---at least 20 or 30 years.

Like some animals, dolphins use sounds to help them find their way around. They also use these sounds to talk to each other and help them find food. They do not use their ears to receive sounds, but use the jaw —the lower part of the mouth.

It is strange that dolphins are friendly to men, and for thousands of years, there are many stories about dolphins and men. In the 19th century, in a dangerous part of the sea near New Zealand, there was a dolphin. The seamen liked him very much and gave him a very good name, Jack. From 1871 to 1903, Jack met all the ships and boats in the area and showed them the way. In 1903 a passenger on a boat with the name of The Penguin shot(拍照) a long time in the area. Jack guided the boat The Penguin until the passenger finished.

Today, some people still kill dolphins, but many countries in the world now protect them. Dolphins are humans’ friends. Let’s all be nice to them.

1.How do dolphins find their way?

A.They use their noses to smell the way. B.They use their ears to hear the the way.

C.They use their eyes to see the way. D.They use sounds to find the way.

2.The underlined word “jaw” means _______ in Chinese.

A.下颚 B.嘴巴 C.嘴唇 D.鼻子

3.Who was Jack?

A.The writer. B.A dolphin. C.A seaman. D.The passenger.

4.The dolphin guided the ships for about _______.

A.32 years B.9 years C.41 years D.23 years

5.According to the passage, which of the following is NOT true?

A.Dolphins are not fish. B.Dolphins are kind and friendly to people.

C.Dolphins don’t live in groups. D.Dolphins can live a long life.

八年级英语阅读单选简单题查看答案及解析

Dolphins are not fish. They are mammals (哺乳动物).They live in groups and speak to each other in their own language. But they are quite different from almost all land animals. Their brain(大脑)is as big as men's and they live a long life at least 20 or 30 years.

Like some animals, dolphins use sounds to help them find their way around. They also use these sounds to talk to each other and to help them find food. They do not use their ears to receive sounds,but use the jaw--the lower part of the mouth.

It is strange that dolphins are friendly to men, and for thousands of years, there are many stories about dolphins and men. In the 19th century, in a dangerous part of the sea near New Zealand,there was a dolphin. The seamen liked him very much and gave him a very good name, Jack. From 1871 to 1903 ,Jack met every boat in the area and showed it the way. In 1903 a passenger on a boat with the name of The Penguin shot and hurt Jack. Luckily the dolphin didn't die, and after a long time he was well again. He guided the ships through the area for nine more years, but he refused to help the boat of the Penguin.

Today, some people still kill dolphins, but many countries in the world now protect them. In these places, people are not allowed to kill them.

1.The word "jaw" means_________in Chinese.

2.How do dolphins find their way?

3.Who was Jack?

4.The dolphin guided the ships for about________.

5.According to the passage, which of the following is NOT right?

八年级英语阅读理解困难题查看答案及解析

Some scientists think that it will take 　　　　　　 of years to make robots do most work for humans.

A. hundreds　　 B. hundred　　 C. thousand　　 D. million

八年级英语单选题中等难度题查看答案及解析

Dolphins (海豚) are not fish but mammals (哺乳动物)．They live in groups, and speak to each other in their own language. In this way they are like many other animals, like bees. But dolphins are very different from almost all land animals. Their brain (脑) is nearly the same size as humans', so they are the cleverest animals. And they live for 20 to 30 years.

But what does the dolphin look like？The dolphin has teeth, and eats fish. It can grow up to three and a half metres long. Its nose is very long. Like some other animals, the dolphin uses sound to find its way. They make sound to talk to each other and to help find food. We now know they don't use their ears to listen to the sound, but the jaws (颚)．

Dolphins are friendly to people. They often save people in the sea. So many people like them.

1.What kind of animals are dolphins?

A. Fish.　　 B. Mammals.　　 C. Birds.　　 D. We don't know.

2.The biggest difference between dolphins and other land animals is that ______.

A. their brain is nearly the same size as humans'　　 B. they live in groups

C. they speak to each other in their own language　　 D. they are mammals

3.The dolphin can grow up to ______ metres long.

A. 3.5　　 B. 2.5　　 C. 3　　 D. 2

4.Dolphins listen to the sound through their ______.

A. ears　　 B. mouths　　 C. jaws　　 D. heads

5.Which of the following sentences is WRONG?

A. Dolphins can live for 20 to 30 years.

B. Dolphins often use sound to find their way.

C. Dolphins aren't friendly and they like to attack (袭击) people.

D. Dolphins can help people who are in trouble in the sea.

八年级英语阅读单选中等难度题查看答案及解析

The driving test is not very difficult, and most people are_________to pass it.

A. able   B. afraid　 C. correct D. serious

八年级英语单项填空简单题查看答案及解析

Before the stars are able to be real zoo keepers, they need to learn 　　　　　　 .

A. to do what to care for animals

B. what to care for animals

C. how should they care for animals

D. how to care for animals

八年级英语单项填空简单题查看答案及解析

_________ you able to cook meals ___________?

A. Do; by your own　　　　　　 B. Do; by yourself

C. Are; on your own　　　　　　 D. Are; on yourself

八年级英语单项填空中等难度题查看答案及解析

The disabled _____ able to do the same things as common people.

A. is　　　　　　　　 B. can be　　　　　　 C. are　　　　　　　　　 D. can

八年级英语单项填空中等难度题查看答案及解析

Some scientists think robots will _______talk like humans in the future.

A. can　　　　　　　　　　　　　 B. may　　　　　　　　　　　 C. be able to

八年级英语单项填空中等难度题查看答案及解析