You can't imagine amazing they are you see th...

You can't imagine　　 amazing they are　　 you see them with your eyes.

A. what； unless　　 B. how； unless

C．how； if　　　 　 D．what； if

九年级英语单项填空简单题查看答案及解析

As a teacher, I love being with my students. You can’t imagine how much they　 knowledge!

A.are thirsty for B.are famous for C.are good for

九年级英语单选题中等难度题查看答案及解析

As a teacher, I love being with my students. You can’t imagine how much they　　 knowledge!

A. are thirsty for 　　 　 B. are famous for　　　　　　 C. are good for

九年级英语单项填空中等难度题查看答案及解析

Germs（细菌） are everywhere. You can’t see them, but they are on your desk, on your computer, and even in the air! Like people, germs move around the world. They fly with us on planes. When food, clothes, and other things travel around the world, germs travel, too. Some germs are safe, but some are dangerous. Germs cause illnesses like colds and the flu.

Warmer Weather Brings Germs

The world’s weather is changing. Cooler countries are getting warmer, so insects from hot countries can move there. Some of these insects, like mosquitoes, carry dangerous germs. These germs cause headaches,　 fever, and can even kill people.

Under Your Skin

Your skin protects you from germs. It stops some germs, but not all. They can enter your body when you eat, or when you have a cut. Germs are on your hands, too. They enter your body when you touch your eyes, nose, or mouth.

Fighting Germs

Your immune system protects you, too. When germs get inside your body, your immune system finds and kills them. Special cells(细胞) move around your body and fight germs. They help you stay healthy. Other cells make antibodies. Antibodies help your body find and stop germs. What can you do to fight germs? You should wash your hands with soap and water. Soap kills many germs, and water washes them away.

1.According to the passage, insects　　　　 .

A. kill germs        B. carry germs            C. protect germs                D. love germs

2.The underlined word “there” refers to 　　　　 .

A. cooler countries        B. hot countries                C. everywhere                D. the world

3.Which of the following is right according to the passage?

A. All germs are dangerous        B. There are more germs in cold places

C. Soup can kill all germs                D. Germs can get into your body

4.What does the word “immune” mean in Chinese in the last paregraph?

A. 消化        B. 神经                C. 免疫                D. 分泌

5.What’s the main idea of this passage?

A. Germ are everywhere        B. Weather in Changing

C. Skin stops germs                D. Germs are developed

九年级英语阅读理解困难题查看答案及解析

Germs(细菌) are everywhere. You can’t see them, but they are on your desk, on your computer, and even in the air!

Like people, germs move around the world. They fly with us on planes. When food, clothes, and other things travel around the world, germs travel, too. Some germs are safe, but some are dangerous. Germs cause illnesses like colds and the flu.

Warmer Weather Brings Germs

The world’s weather is changing. Cooler countries are getting warmer, so insects from hot countries can move there. Some of these insects, like mosquitoes, carry dangerous germs. These germs cause headaches, fever, and can even kill people.

Under Your Skin

Your skin protects you from germs. It stops some germs, but not all. They can enter your body when you eat, or when you have a cut. Germs are on your hands, too. They enter your body when you touch your eyes, nose, or mouth.

Fighting Germs

Your immune system(免疫系统) protects you, too. When germs get inside your body, your immune system finds and kills them. Special cells(细胞) move around your body and fight germs. They help you stay healthy. Other cells make antibodies(抗体). Antibodies help your body find and stop germs.

What can you do to fight germs? You should wash your hands with soap and water. Soap kills many germs, and water washes them away.

1.According to the text, insects ______.

A. kill germs               B. carry germs              C. protect germs

2.The underlined word “there” refers to ______.

A. cooler countries         B. hot countries            C. the world

3.Which of the following is right according to the text?

A. All germs are dangerous.

B. There are more germs in cold places.

C. Germs can get into your body.

4.What do antibodies do?

A. They get inside your body and kill your immune system .

B. They carry dangerous germs.

C. They help protect us from germs.

5.Which can be the best title for this text?

A. Germs Are Everywhere B. Weather Is Changing      C. Skin Stops Germs

九年级英语阅读理解困难题查看答案及解析

Germs(细菌) are everywhere. You can’t see them, but they are on your desk, on your computer, and even in the air!

Like people, germs move around the world. They fly with us on planes. When food, clothes, and other things travel around the world, germs travel, too. Some germs are safe, but some are dangerous. Germs cause illnesses like colds and the flu.

Warmer Weather Brings Germs

The world’s weather is changing. Cooler countries are getting warmer, so insects from hot countries can movethere. Some of these insects, like mosquitoes, carry dangerous germs. These germs cause headaches, fever, and can even kill people.

Under Your Skin

Your skin protects you from germs. It stops some germs, but not all. They can enter your body when you eat, or when you have a cut. Germs are on your hands, too. They enter your body when you touch your eyes, nose, or mouth.

Fighting Germs

Your immune system(免疫系统) protects you, too. When germs get inside your body, your immune system finds and kills them. Special cells(细胞) move around your body and fight germs. They help you stay healthy. Other cells make antibodies. Antibodies help your body find and stop germs.

What can you do to fight germs? You should wash your hands with soap and water. Soap kills many germs, and water washes them away.

1.According to the text, insects ______.

A. kill germs　　 B. carry germs　　 C. protect germs　　 D. love germs

2.The underlined word “there” refers to ______.

A. cooler countries　　 B. hot countries　　 C. everywhere　　 D. the world

3.Which of the following is right according to the text?

A. All germs are dangerous.　　 B. There are more germs in cold places.

C. Soap can kill all germs.　　 D. Germs can get into your body.

4.What do antibodies do?

A. They kill germs and wash them away.　　 B. They find and develop germs.

C. They help protect us from germs.　　 D. They carry dangerous germs.

5.Which can be the best title for this text?

A. Germs Are Everywhere　　 B. Weather Is Changing

C. Skin Stops Germs　　 D. Germs Are Developed

九年级英语阅读理解简单题查看答案及解析

Do you know viruses (病毒) and bacteria (细菌)? Both of them are very small, we can't see them with our eyes, and many people know nothing about them, In fact, there are a number of differences between viruses and bacteria. Bacterium, the singular form of the word bacteria, is a one-celled (单细胞) living thing, with complete sets of both RNA and DNA genetic codes (遗传密码). For viruses, some are sections of RNA, and the others are sections of DNA. So, bacterium is at least a hundred times larger than a typical virus.

One main difference between viruses and bacteria is the method of reproduction. A bacterium is a completely independent and self-reproducing unit. When the time is right, bacterium will divide its DNA and RNA genetic material in two. This is how bacteria live in almost every environment on Earth, including non-living things like rocks or plastic.

A virus, on the other hand, cannot reproduce without a living host. A virus may lie for thousands of years before finally coming into a suitable host. Once it enters the body of a host, a virus will get in the ling cell. Once inside a living cell, a virus takes the place of the living cell's DNA or RNA genetic instructions with its own. Those instructions are usually to make as many copies of the virus as possible.

Ninety-nine percent of all known bacteria are considered useful to humans, or at least have no bad influence. But most viruses, on the other hand, serve no good purpose. Their only purpose is to create more viruses in order to make themselves continue to live.

Bacteria are alive, which means they can be killed by some form of chemical things. Antibiotics (抗生素) can kill bacteria. Viruses, by comparison, are not considered living things. They cannot be 'killed' in the same way as antibiotics kill bacteria. In fact, any medicine is useless for virus' infections. The disease must run its course until the body can make a successful protection on its own.

九年级英语填空中等难度题查看答案及解析

You can’t imagine how beautiful the mountain is _____you see it with your own eyes.

A. until　　 B. after　　 C. while　　 D. when

九年级英语单项填空简单题查看答案及解析

You can’t imagine how beautiful the mountain is ______you see it with your own eyes.

A. until　　　　　　　　 B. after　　　　　　　　 C. while　　　　　　　　 D. when

九年级英语单项填空中等难度题查看答案及解析

You can’t imagine how beautiful the mountain is ______you see it with your own eyes.

A.until　　　　　　　　 B. after

C. while　　　　　　　　 D. when

九年级英语单项填空中等难度题查看答案及解析