Unit 3 The earth 知识点题库

—Tom, what are those?

—They are________.

一 We'll have a quiz at the end of class.

一 Study harder, and we'll do better.

根据短文内容，选择正确答案。
C
    A very new, young officer was at a station, He was on his way to visit his mother in another town. And he wanted to telephone her to tell her the time of this train so that she could meet him at the station in her car. He looked in all his pockets, but he did not have the fight money for the telephone, so he went outside and looked around for someone to help him.
    At last all old soldier came by, and the young officer stopped him and said, “Have you got change for ten pence?”
    “Wait a moment.” the old soldier answered. He began to put his hand in his pocket. “I'll see whether I can help you.”
    “Don't you know how to speak to an officer?”the young man said angrily. “Now let's start again. Have you got change for ten pence?"
    “No, sir,” the old soldier answered quickly.

根据短文内容，选择正确答案。
D
    The students are having their chemistry (化学) class. Miss Liu is telling the children what water is like. After that, she asks her students, “What's water?”No one speaks for a few minutes. Miss Liu asks again, “Why don't you answer my question? Don't I tell you what water is like?”
    Then a boy puts up his hand and says, “Miss Liu, you tell us that water has no color and no smell. But where can we find such kind of water? The water in the river behind my house is always black and it has bad smell. "Most of the children agree with (同意) him.
    “I'm sorry, children.” says Miss Liu. “Our water is getting dirtier and dirtier. That's a problem. "

—Do you see the cows on the farm?

—Yes. They are eating grass in the ________.

—Jack, there will be an English q tomorrow. You should go to bed early.

—OK, Mum.

Could you please help me (clean) the classroom, Jim?

—What do you usually do to protect the Earth?

—I recycle (回收利用) some old things.

The books are very ________. They sell very ________.

Three (quarter) of the students are from the countryside.

What problems do we have?

阅读短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。

    The Earth is about 4, 600 million years old Man lives on the Earth for only 35, 000 years. But we change our Earth in many ways. Many things we do are good, but some are not good for the Earth.

    Water pollution

    A lot of people, birds and fish die each day because of water pollution. Factories pollute the water. As a result (因此), the water in many rivers and lakes is now very dirty.

    Air pollution

    In big cities, factories, cars and buses are the main causes of air pollution. Many people in cities now have health problems. For example, Mexico City used to be a beautiful sunny capital, but today there are many clouds in the sky. And many people get ill because of the polluted air.

    Soil (土壤) pollution

    In order to have a better harvest (收获), some of the farmers use chemicals too much in their fields. That's bad for the soil.

    Hope for the future

    These problems are very serious for our future, so all of us should do something to protect the environment. If we can stop pollution, our Earth will become more and more beautiful.

—Excuse me, are you ________?

—Yes, I'm from ________.

阅读下面短文，根据文章大意用所给单词的适当形式填空（未提供单词的，限填一词），使文章意思完整、正确。

    We live on Earth. It's (we) home. But how much do you know about ? Let me tell you something about our Earth.

    The Earth is like a huge ball. Like other seven planets, the Earth is (run) around the Sun. It's the third nearest one to the Sun. It (take) the Earth a year to run around the Sun. At the same time, the Earth is going around itself. If you are in space, you can see (lot) of white clouds over the surface of the Earth. Through the clouds, you can see the blue colour of the (ocean), and the brown colour of the land. About 70% of the Earth (be) covered with water.

    Why do we have day and night? When the half the Earth is facing the Sun, it's daytime. As the Earth (turn), and this half is away from the Sun, night is coming. And it's daytime for the other half.

I can't solve the p. It's too difficult.

听句子，根据所听内容选择最佳应答句（   ）

— Do you know the answer to the Maths problem, Peter?

—Sony，I don't know. Let's ask Miss Chen for help.

—She feels nervous. Why？

—Because she will have an English quiz tonight.

—Trees can        harmful gases and provide us        oxygen(氧气).

—So we should plant more trees.

Sam has made many m in the test, so he is sad now.