【推荐3】The giraffe is the tallest modern land animal. It can be over 5. 5 meters tall. Its neck bone may be 1. 9 meters long. Yet the giraffe has only seven bones (骨头) in its neck, the same number as in the human. Even a small bird has many more bones in its neck than in a tall giraffe. Each bone in a giraffe’s neck is very long, while the bones in a human’s neck are small. That makes the difference. A female giraffe gives birth to one baby at a time. The baby, called a calf, is about 1. 9 meters tall at birth. By the age of eight it is full-grown. The giraffe can live for 30 years; the giraffe is good at running; it can run 30 kilometers per hour. The giraffe likes to live together, usually 7-10 a group. The giraffe eats mostly leaves. Because it has a long neck, it can reach the leaves high up on the trees.

判断下列句子的正误，正确的填（T）错误的填（F）
1. The giraffe is the tallest modern animal living in the land.
2. the giraffe has more bones in its neck than that in the human.
3. The bones in a giraffe’s neck is very small and short.
4. The giraffe can run 30,000 meters per hour .
5. Since giraffes are very tall and strong, they live alone.

【推荐2】People are hurt by acid rain. A young boy named Marco lived in New Jersey. He liked to open his mouth to catch the fresh tasting water in the past. This time it was acid rain. It came from pollution created by the factories close to Marco's home. Marco didn't know that this kind of rain would make him sick.

Marco, who has asthma(气喘), had a serious attack. He had to go to hospital. He felt terrible. He couldn't breathe. People with breathing problems suffer when they are exposed(裸露) to acid rain. People who eat plants or animals that have been exposed to acid rain can also have serious problems. Some other health problems have something to do with people eating animals and plants affected by acid rain.

Acid rain burns the leaves on plants and trees. They should be green and healthy, but acid rain destroys them. The rain usually does not kill the trees, but their leaves are destroyed. Then, the plants get weaker because they can't make the food that they need. Forests in the Appalachian Mountains in the eastern United States have been especially harmed by acid rain. Besides, Acid rain also hurts the soil in the forests, nonliving things, such as arts and buildings.

We should work together to make this bad rain go away. Acid rain will go away if the pollutants in the air go away. Every family can reduce pollution by using clean energy and electricity. They can also drive less. If everyone helps, acid rain will go away sooner.

1. Where did Marco live in the article?

A．In New Mexico.	B．In New Jersey.
C．In New York.	D．In New Orleans.

2. Why did Marco feel sick?

A．He was exposed to acid rain.	B．He ate plants exposed to acid rain.
C．He ate animals exposed to acid rain.	D．He drank the acid rain.

3. What does acid rain do to plants?

A．Make their leaves weaker.	B．Make them grow faster.
C．Make them stronger.	D．Make their leaves greener.

4. Which one is NOT true according to the passage?

A．Acid rain may cause health problems.

B．Acid rain usually doesn't kill a tree.

C．Acid rain doesn't do harm to nonliving things.

D．The less pollution, the less acid rain.

5. What's the last paragraph mainly about?

A．How to protect our environment.

B．Call on people to work together to prevent acid rain.

C．Call on people to use clean energy and electricity.

D．Call on more people to drive less.

【推荐3】Counting the hairs on your head would be very difficult. Many have tried, but most people give up after losing count or getting bored! However, scientists say people have more than 100, this number is different from person to person. Some people have much more hair than others.

What causes hair loss? There are many reasons, such as stress, illness and styling. It also runs in families. Besides, you should wash your hair correctly and condition (养护) your hair to help keep your hair healthy. It’s also important to be gentle when brushing or combing hair.

Hair loss is not the same as daily shedding (脱落). People lose an average of 50 to 100 hairs a day. It's normal. If you are losing more hair than average, talk to the adults you trust. They can help you decide whether to ask a doctor for help.

Why do humans have hair on their heads? Most other mammals (哺乳动物) have thick fur covering their whole bodies. While humans grow small and fine hairs on much of their skin, it's much thicker on the top of the head. Scientists say the answers come down to evolution. Humans probably evolved without fur because they have more sweat glands (汗腺) than other mammals. Humans walk upright on two legs. Therefore, the top of their heads needs protection from the sun. This is why people have more hair on their heads than on the rest of their bodies. The hair also helps keep heat in cold weather and keep a healthy body temperature.

1. How many reasons for hair loss are mentioned in Paragraph 2? ________

A．3.

B．4.

C．5.

D．6.

2. You can take the following measures to avoid losing hair except ________.

A．wearing a hat all the time

B．washing your hair correctly

C．brushing or combing hair gently

D．conditioning your hair

3. Put the things about hair loss in correct order. ________
a. Hair loss is different from daily shedding.
b. Many people simply lose hair as they grow older.
c. Hair loss also runs in families.
d. Stress, illness and styling cause hair loss.

A．b ﹣ d ﹣ a ﹣ c	B．b ﹣ a ﹣ d ﹣ c
C．d ﹣ a ﹣ c ﹣ b	D．d ﹣ c ﹣ b ﹣ a

4. What does the underlined word “evolution” mean in the last paragraph? ________

A．development	B．ability
C．communication	D．education

5. What can we learn from the passage? ________

A．In general, it’s easier for young people to lose hair than old people.

B．The hair on human heads helps keep heat in cold weather.

C．If you lose 50 to 100 hairs every day, you must ask a doctor for help.

D．Mammals have thick fur covering their whole bodies because they have no sweat glands.