— ________ have you learned to play the piano?

— ________ five years ago.

A. How long, For B. How often, For

C. How long, Since D. How soon, Since

練習冊系列答案
相關(guān)習題

科目：初中英語 來源：福建省2017屆九年級下學(xué)期第二次模擬考試英語試卷 題型：閱讀理解

What are fossils?

Fossils are the remains of plants or animals. For such remains to be considered fossils, scientists have decided they have to be over 10,000 years old. The word fossil comes from the Latin word “fossilis”, which means, “dig up”.  Fossils can be divided into “body fossils” and “trace(痕跡) fossils”. Body fossils are the remains of a plant or animal’s body. Trace fossils are the remains of the activity of an animal, such as footprints, egg shells, and nests.

How are fossils formed?

Some animals were quickly covered after their death by sediment(沉淀物) like earth, mud or sand. Over time, the parts of the animals that didn’t rot (usually the harder parts like bones and teeth) were covered in the newly formed sediment. Then, a lot of chemical changes happened to the animals bodies. Water with minerals(礦物質(zhì)) went into the bone and took the place of the chemicals in the bone with rock-like minerals. In the end we get a heavy, rock-like copy of the original object - a fossil. There weren’t any changes in size and shape when an object changed into a fossil, but the fossil of a bone doesn’t have any bone in it! It is chemically more like a rock! According to scientists, fossils have been found on every continent(大陸) on Earth.

1.Trace fossils can’t be formed from the ______ of some kind of animals.

A. footprints B. nests C. eggs D. bodies

2.______ brings the rock-like minerals into the bone.

A. Sunlight B. Earth C. Water D. Air

3.According to the last paragraph, the fossil is as ______ as the original object.

A. heavy B. big C. old D. clean

4.We can know that ______ from the passage.

A. scientists think that the fossils may have a history of 100 centuries.

B. people haven’t found any fossil on the continent of Africa.

C. we can find some real bones in the fossils of a bone.

D. there are many kinds of sediment in the fossils.

5.This passage most probably comes from ______.

A. an advertisement B. a medical magazine C. a science book D. a notice

查看答案和解析>>

科目：初中英語 來源：四川省廣安市酉溪責任區(qū)2015-2016學(xué)年八年級下學(xué)期第二次月考英語試卷 題型：單項填空

– How many students are there in your school?

--About five________.

A. thousands of B. thousands C. thousands of D. thousand

查看答案和解析>>

科目：初中英語 來源：四川省岳池縣酉溪學(xué)區(qū)2015-2016學(xué)年八年級下學(xué)期第二次月考英語試卷 題型：閱讀理解

Mobile phones(手機) have become a problem for middle schools. Some middle schools in Australia have stopped students from carrying mobile phones during school hours. The mobile phone use among children has become a problem for the school this year. Several children have got mobile phones as Christmas gifts, and more students will want them.

Mary, a teacher, said the mobile phone use is a distraction to students during school hours and it also gives teachers so much trouble in their classrooms. Teachers also said that sometimes students might use phone messages to copy during exams. She said some schools tried to stop mobile phones. Some parents felt unhappy because they couldn’t get in touch with their children.

Many teachers said students should not have mobile phones at school, but if there was a good reason, they could leave their phones at the school office. They also said there were many reasons why the students should not have mobile phones at school, they were easy to lose and were a distraction for studies.

Many people say that they understand why parents would want their children to have phones, but they think schools should let the students know when they can use their mobile phones.

1.Some middle schools in Australia have stopped students from carrying mobile phones .

A. because they are students B. when they are free

C. when they are at school D. because they are children

2.We know from the passage that some children get mobile phones from____

A. the makers and sellers B. the teachers

C. their parents and friends D.some mobile phone users

3.What does the underlined word mean in the passage?

A. 鼓舞 B. 分心 C. 獎勵 D. 核對

4.Some parents felt unhappy because they couldn’t _ __ during school hours.

A. use their mobile phones

B. leave their mobile phones at the school office

C. help the teachers with their work

D. get in touch with their children

5.The passage mainly tells us that _ __.

A. students shouldn’t have mobile phones at school except(除…外) some special reasons

B. it is impossible to stop students from using mobile phones at school

C. some parents felt unhappy because they couldn’t use their phones at school

D. parents should teach children how to use mobile phones during school hours

查看答案和解析>>

科目：初中英語 來源：四川省岳池縣酉溪學(xué)區(qū)2015-2016學(xué)年八年級下學(xué)期第二次月考英語試卷 題型：單項填空

The policeman asked the child ________ cross the street ________ the traffic lights turned green.

A. not, when B. not to, until

C. didn't, before D. not to, after

查看答案和解析>>

科目：初中英語 來源：四川省岳池縣酉溪學(xué)區(qū)2015-2016學(xué)年八年級下學(xué)期第二次月考英語試卷 題型：單項填空

These books were really good, so she couldn’t .

A. put down it B. put it down

C. put down them D. put them down

查看答案和解析>>

科目：初中英語 來源：山東省淄博市博山區(qū)2017屆中考一模英語試卷 題型：七選五

閱讀短文，從文后的五個選項中能填入空白處的最佳選項，選項中有一項為多余選項。

Endangered dolphins are beautiful animals that needed to be saved. It may interest you to know there are about six different types of dolphins that are endangered. Many of them are river dolphins and they are very close to being lost forever if we do not take the time to care for them. The following is the reason why they are in danger.

1. Dolphins can often get stuck(卡) in these nets and they may die. Another problem is the fact that many people and different countries will hunt for dolphins as food.

2. When the oceans and rivers are polluted, it affects the very environment where these beautiful creatures are living. It may be important to also keep in mind that the dolphin is towards the top of the food chain. 3. If these small animals are affected by the pollution as well, there really is no safe place for the dolphin to go.

4. You can also pay attention to the land around you. Do not litter and stop if you do. Spend time on the weekend cleaning up trash in your area and recycle what you can. You play a large role in this whether you believe it or not. So, find out what your role is related to endangered dolphins and work towards a positive change.

查看答案和解析>>

科目：初中英語 來源：山東省2016-2017學(xué)年七年級下學(xué)期第三次月考英語試卷 題型：單項填空

— Did you come here by bus or by car?

— __________.

A. I came here by bus.

B. I didn’t come here by bus.

C. Yes, I came here by bus.

D. No, I didn’t.

查看答案和解析>>

科目：初中英語 來源：四川省巴中市2016-2017學(xué)年七年級下英語期中考試試卷 題型：閱讀理解

Mr. Green works in a post office. He likes his work. Mrs. Green doesn’t work. She stays at home cooking for him. Every day he can have supper when he gets home from work.

Today is Friday. Mr. Green comes home very late because he is busy at the office. He is angry when he finds there isn’t anything to eat. He says to his wife, “I’m going to eat in a restaurant.” “Wait for ten minutes.” says Mrs. Green. “Why? Do you think supper can be ready(準備好的) in ten minutes? ”asks Mr. Green.

“No, of course not, ” she says. “I’m ready to go with you in ten minutes. ”

1.Mrs. Green ________.

A. works in a post office B. is a doctor

C. is a housewife (家庭主婦) D. stays at home and doesn’t do anything

2.Mr. Green is angry when he finds there isn’t anything to eat. What does the underlined word “angry” mean(意思是)?

A. Happy B. Not happy C. Friendly D. Worried (擔心的)

3.Mr. Green will eat in a restaurant because ________.

A. he doesn’t like eating at home B. supper in a restaurant is good

C. his wife can’t cook well D. supper at home isn’t ready

4.Mrs. Green will ________.

A. stay at home and cook something to eat

B. go to buy something to eat in a restaurant

C. have supper with Mr. Green in a restaurant

D. cook something with Mr. Green at home

5.From the story, we can know ________.

A. The Greens have supper in the restaurant B. Mr. Green has supper at home

C. Mrs. Green cooks supper at home D. Mr. Green has supper in the post office

查看答案和解析>>

同步練習冊答案