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Q2013442 Inglês
Balloons

Have you ever wondered what keeps a hot air balloon flying? The same principle that keeps food frozen in the open chest freezers at the grocery store allows hot air balloons to fly. It’s a very basic principle: Hot air rises and cold air falls. So while the super-cooled air in the grocery store freezer settles down around the food, the hot air in a hot air balloon pushes up, keeping the balloon floating above the ground. In order to understand more about how this principle works in hot air balloons, it helps to know more about hot air balloons themselves.

A hot air balloon has three major parts: the basket, the burner, and the envelope. The basket is where passengers ride. The basket is usually made of wicker. This ensures that it will be comfortable and add little extra weight. The burner is positioned above the passenger’s heads and produces a huge flame to heat the air inside the envelope. The envelope is the colorful fabric balloon that holds the hot air. When the air inside the envelope is heated, the balloon rises.

The pilot can control the up-and-down movements of the hot air balloon by regulating the heat in the envelope. To ascend, the pilot heats the air in the envelope. When the pilot is ready to land, the air in the balloon is allowed to cool and the balloon becomes heavier than air. This makes the balloon descend.

Before the balloon is launched, the pilot knows which way the wind is blowing. This means that she has a general idea........................... which way the balloon will go. But, sometimes the pilot can actually control the direction that the balloon flies while.......................................... flight. This is because the air above the ground is sectioned .........................................layers in which the direction of the wind may be different. So even though the pilot can’t steer the balloon, she can fly or higher or lower into a different layer ......................................air. Some days the difference between the direction of the wind between layers is negligible. But other days the difference is so strong that it can actually push the balloon in a completely different direction!


Choose the alternative which presents the correct prepositions that are missing in the last paragraph of the text.
Alternativas
Q2002248 Inglês
READ THE FOLLOWING TEXT AND CHOOSE THE OPTION WHICH BEST COMPLETES EACH QUESTION ACCORDING TO IT:

Saving Energy

Just a century ago, humans used very little energy because we had less of the things that consume it. There were no computers, phones, TV, cars, lights, washing machines and all that. After the industrial revolution, people started using a lot more manufactured items such as electronics, automobiles, and home appliances. These items use a lot of energy, but if we all cut its use by half, that would be huge savings, and make a great difference.

Saving energy can be achieved in different ways: 1. Energy conservation, 2. Energy Efficiency, and 3. Recycling. These first two are not the same, even though people often use them to mean the same thing.

1- Energy Conservation: This is the practice that results in less energy being used. For instance, turning the taps, computers, lights, and TV off when not in use. It also includes running in the park or outside instead of running on the treadmill in the gym. Energy conservation is great because we can all do this everywhere and anytime. It is a fundamental behavior we must acquire.

2- Energy Efficiency: This is the use of manufacturing techniques and technology _______ produce things that use less energy for the same result. For example, if a heater is designed to warm your home with less energy than regular heaters, that would be an energy efficient heater. If your washing machine uses less energy to do the same job as other washers, that is an energy efficient washer. An interesting fact is that homes built in the U.S. after 2000 are about 30% bigger, but they use less energy than older homes.

3- Recycling: This involves the use of waste or old materials to make new ones, like collecting all old newspapers from the town at the end of every day and turning the papers into fresh paper for printing again. We can collect all plastic bottles and send them to be used for new plastic bottles or used for children plastic toys. Recycling saves energy __________ less energy is used to recycle than to turn new raw materials into new products.
This means that to save energy, we should use all these great ways. If we all try to do this, together we can save some money and use less natural resources too.

(Adapted from: https://goo.gl/AyZdzW. Access: 01/30/2018)
This is the use of manufacturing techniques and technology _______ produce things that use less energy for the same result.
What is the best word to complete this sentence? (paragraph 4)
Alternativas
Q1998009 Inglês

Read the following text and answer question.


How do people see disability today?


Some time ago, people’s idea of disability was very distressing, especially towards people with disability and their families. If a child was born with any kind of disability, they _____________ that to many strange taboos, spiritual and traditional beliefs.

Today, disability is seen very differently. Education, information, support services, policy and accessibility efforts by many modern societies have empowered people with disabilities, together with _____ families, to rise to their fullest potential. Children with disability are able to go to school and feel part of society. Many people with disability have grown to become great, successful people.

Ray Charles and Steve Wonder, both blind from childhood, are some of ____________ musicians in the world. Marlee Matlin, ______ lost her hearing from childhood, is a great Standup Comedian and Actress. Chris Burke, a favorite American TV character, and writer, is a person with Down Syndrome. Nick Vujicic is _______ Australian Christian Evangelist and Motivational Speaker. Born ______ 1982 with a rare disorder, characterized by no hands and legs, has lived to inspire millions and continue to empower people.

Disability is part of life. People with disability have potential too, just like people without a disability. They have the same rights as everyone else and if people with disabilities, families, and society can work together on policy, we can make society all-inclusive and every person will have a fair chance to be the best they can be. 


(Adapted from: https://goo.gl/fhJZCM. Access: 01/22/2018)



What is the best preposition to complete the sentence “Born ______ 1982 with a rare disorder.” ?
Alternativas
Q1998001 Inglês

Read the following text and answer question.


Introduction to Climate change


Many people make Climate Change and Global Warming a scary and difficult thing to understand, _______ it’s not.

Scientists have warned that the world's climate has changed a lot, and has affected many living and non-living things. Many places _______ were warmer are now getting colder, and many colder regions are getting much colder or even warmer nown as Global Warming).

For example, _________ 1901 and 2012, it is believed that the earth's temperature has risen by 0.89 °C. Rainfall amounts have also risen in the mid-latitudes of the northern hemisphere since the beginning of the 20th Century. It is also believed that sea levels have risen up to about 19cm globally, with lots of glaciers melting in addition.

Some people do not believe that these are caused by human activities. They think it is all political actions and falsehood intended to cause panic among humans.

Well, whatever it is, we would like to know more, and take a few good points from this confusion, and use them to make our world a better place to live. 


(Adapted from: https://goo.gl/xQnjzZ. Access: 01/22/2018)



What is the best preposition to complete this sentence: “For example, _________ 1901 and 2012, it is believed that the earth's temperature has risen by 0.89°C.” ?
Alternativas
Q1997996 Inglês

Read the following text and answer question.


Introduction to Climate change


Many people make Climate Change and Global Warming a scary and difficult thing to understand, _______ it’s not.

Scientists have warned that the world's climate has changed a lot, and has affected many living and non-living things. Many places _______ were warmer are now getting colder, and many colder regions are getting much colder or even warmer nown as Global Warming).

For example, _________ 1901 and 2012, it is believed that the earth's temperature has risen by 0.89 °C. Rainfall amounts have also risen in the mid-latitudes of the northern hemisphere since the beginning of the 20th Century. It is also believed that sea levels have risen up to about 19cm globally, with lots of glaciers melting in addition.

Some people do not believe that these are caused by human activities. They think it is all political actions and falsehood intended to cause panic among humans.

Well, whatever it is, we would like to know more, and take a few good points from this confusion, and use them to make our world a better place to live. 


(Adapted from: https://goo.gl/xQnjzZ. Access: 01/22/2018)



What is the best conjunction to complete this sentence: “Many people make Climate Change and Global Warming a scary and difficult thing to understand, _______ it’s not.” ? 
Alternativas
Respostas
136: C
137: D
138: D
139: C
140: D