Only outside the Earth抯 atmosphere _____ to attain extremely high velocities.


  1. A.
    to be safe for a space vessel
  2. B.
    is it safe for a space vessel
  3. C.
    for a space vessel to be safe
  4. D.
    a space vessel to be safe
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源：2010-2011學(xué)年廣西北海市合浦縣教研室高二上學(xué)期期末考試英語(yǔ)試卷 題型：閱讀理解

閱讀理解D
The deserts of the world are not all covered with sand. Many of them have surfaces of rock or clay(黏土) or small stones. They are not flat, either. They often have high hills and deep valleys. There is some plants’ life in many parts of the desert. There is little rain in the desert, but it does fall often enough for most plants.
The deserts of the world are not uninhabited(無(wú)人居住的). People also live outside oases(綠洲), but these people are not farmers. They have camels, goats, donkeys, sheep, etc. These animals can live on the desert plants and do not need much water.
The people of the desert have to move constantly from place to place, they must always look for grass or desert plants for their animals. They usually live in tents. When there is no more food for their animals, they fold up their tents, put them on their camels and donkeys, and move to another place. In good years, when there is enough food for their animals, they trade their skins and their goats and camel hairs with the people of oases for wheat and fruit. But in bad years, when there is not enough food for their animals, the people of the desert would attack the oases people. But they are also hospitable, no man in the desert would ever refuse to give a stranger food and water.
【小題1】According to the passage, deserts are mostly made up of ________.

A．clayB．rockC．stonesD．sand
【小題2】The underlined word “hospitable” has the meaning of being ________.
A．kindB．braveC．cruelD．strange
【小題3】 In the desert ________.
A．It rains in spring only.
B．it rains for a short time every month
C．the rainfall is just enough for the plants
D．there is some rain, but far from enough
【小題4】People live ______.
A．only inside the oasesB．both inside and outside the oases
C．only outside the oasesD．in places with regular rainfalls.

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：（外研社英語(yǔ)高一必修4） Module 1 課時(shí)同步訓(xùn)練 題型：閱讀理解


Part One: Cloze test.
Complete the blanks with the words or phrases in our textbook.
The City of the Future
What will the city of the future look like? No one knows     1    , and making predictions is a risky business. But one thing is certain --- they are going to get bigger before they get smaller. In the future, care for the environment will become very important     2     earth’s natural resources   3   . We will use lots of recycled materials, such as plastic, aluminium, steel, glass, wood and paper, and we will waste fewer natural resources. We will also have to   4   more
  5   alternative energy, such as solar and wind power. All this seems certain, but there are plenty of things about city life in the future which are not certain.
To find out what young people think about the future of urban life, a teacher at a university in Texas in the United States asked his students to think how they would run a city of 50,000 people in the year 2025. Here are some of the ideas they had:
Garbage ships  To   6   garbage problems, the city will   7   huge spaceships with waste materials and send them towards the sun, preventing landfill and environmental problems.
Batman Nets  Police will arrest criminals by firing nets instead of guns.
Forget smoking  No smoking will be allowed within a future city’s limits. Smoking will be possible only outside cities, and outdoors.
Forget the malls  In the future all shopping will be done online, and catalogues will have voice commands to place orders.
Telephones for life  Everyone will be given a telephone number at birth    8   will never change   9   where they live.
Recreation  All forms of recreation, such as cinemas, bowling, softball, concerts and others will be provided   10  by the city.
Cars  All cars will   11  by electricity, solar energy or wind, and it will be possible to change the colour of cars at the flick of a switch.
Telesurgery  Distance surgery will become common as doctors carry out operations from thousands of miles away, with each city having its own telesurgery outpatient clinic.
Holidays at home  Senior citizens and people with disabilities will be able to go anywhere in the world using high-tech cameras    12   their head.
Space travel  Travelling in space by ordinary citizens will be common. Each city will have its own spaceport.

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：2014屆河北省高一4月月考英語(yǔ)試卷（解析版） 題型：閱讀理解

The deserts of the world are not all covered with sand. Many of them have surfaces of rock or clay or small stones. They are not flat, either. They often have high hills and deep valleys. There is some plants’ life in many parts of the desert. There is little rain in the desert, but it does fall often enough for most plants.

The deserts of the world are not uninhabited (not lived by people). People also live outside oases(綠洲), but these people are not farmers. They have camels, goats, donkeys, sheep, etc. These animals can live on the desert plants and do not need much water.

The people of the desert have to move constantly from place to place, they must always look for grass or desert plants for their animals. They usually live in tents. When there is no more food for their animals, they fold up their tents, pat them on their camels and donkeys, and move to another place. In good years, when there is enough food for their animals, they trade their skins and their goats and camel hairs with the people of oases for wheat and fruit. But in bad years, when there is not enough food for their animals, the people of the desert would attack the oases people. But they are also hospitable, no man in the desert would ever refuse to give a stranger food and water.

1.The underlined word “hospitable” has the meaning of being _______.

A．brave

B．cruel

C．strange

D．kind

2.In the desert _______.

A．it rains in spring only

B．it rains for a short time every month

C．there is some rain, but far from enough

D．the rainfall is just enough for the plants

3.People live _______.

A．only inside the oases

B．only outside the oases

C．both inside and outside the oases

D．in places with regular rainfalls

 

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：外研社高一英語(yǔ)必修四Module1課時(shí)訓(xùn)練 題型：填空題

Part One: Cloze test.

Complete the blanks with the words or phrases in our textbook.

The City of the Future

What will the city of the future look like? No one knows     1    , and making predictions is a risky business. But one thing is certain --- they are going to get bigger before they get smaller. In the future, care for the environment will become very important     2     earth’s natural resources   3   . We will use lots of recycled materials, such as plastic, aluminium, steel, glass, wood and paper, and we will waste fewer natural resources. We will also have to   4   more

  5   alternative energy, such as solar and wind power. All this seems certain, but there are plenty of things about city life in the future which are not certain.

To find out what young people think about the future of urban life, a teacher at a university in Texas in the United States asked his students to think how they would run a city of 50,000 people in the year 2025. Here are some of the ideas they had:

Garbage ships  To   6   garbage problems, the city will   7   huge spaceships with waste materials and send them towards the sun, preventing landfill and environmental problems.

Batman Nets  Police will arrest criminals by firing nets instead of guns.

Forget smoking  No smoking will be allowed within a future city’s limits. Smoking will be possible only outside cities, and outdoors.

Forget the malls  In the future all shopping will be done online, and catalogues will have voice commands to place orders.

Telephones for life  Everyone will be given a telephone number at birth    8   will never change   9   where they live.

Recreation  All forms of recreation, such as cinemas, bowling, softball, concerts and others will be provided   10  by the city.

Cars  All cars will   11  by electricity, solar energy or wind, and it will be possible to change the colour of cars at the flick of a switch.

Telesurgery  Distance surgery will become common as doctors carry out operations from thousands of miles away, with each city having its own telesurgery outpatient clinic.

Holidays at home  Senior citizens and people with disabilities will be able to go anywhere in the world using high-tech cameras    12   their head.

Space travel  Travelling in space by ordinary citizens will be common. Each city will have its own spaceport.

 

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：20102011學(xué)年廣西北海市合浦縣教研室高二上學(xué)期期末考試英語(yǔ)試卷 題型：閱讀理解

閱讀理解D

   The deserts of the world are not all covered with sand. Many of them have surfaces of rock or clay(黏土) or small stones. They are not flat, either. They often have high hills and deep valleys. There is some plants’ life in many parts of the desert. There is little rain in the desert, but it does fall often enough for most plants.

   The deserts of the world are not uninhabited(無(wú)人居住的). People also live outside oases(綠洲), but these people are not farmers. They have camels, goats, donkeys, sheep, etc. These animals can live on the desert plants and do not need much water.

   The people of the desert have to move constantly from place to place, they must always look for grass or desert plants for their animals. They usually live in tents. When there is no more food for their animals, they fold up their tents, put them on their camels and donkeys, and move to another place. In good years, when there is enough food for their animals, they trade their skins and their goats and camel hairs with the people of oases for wheat and fruit. But in bad years, when there is not enough food for their animals, the people of the desert would attack the oases people. But they are also hospitable, no man in the desert would ever refuse to give a stranger food and water.

【小題１】According to the passage, deserts are mostly made up of ________.

    A. clay         B. rock             C. stones       D. sand

【小題１】The underlined word “hospitable” has the meaning of being ________.

    A. kind         B. brave                C. cruel            D. strange   

【小題１】 In the desert ________.

    A. It rains in spring only.         B. it rains for a short time every month

C. the rainfall is just enough for the plants

D. there is some rain, but far from enough   

【小題１】People live ______.

    A. only inside the oases                B. both inside and outside the oases

C. only outside the oases               D. in places with regular rainfalls.

 

查看答案和解析>>

同步練習(xí)冊(cè)答案