Invented by the Chinese in the 9th century, gunpowder rapidly became a ---- factor in battle

The rapid disappearance of Arctic ice ---- the use of an undersea Internet cable, ---- a shorter path between Europe and Asia.

At the start of the 20th century, nine out of ten people lived in rural areas where they worked on the land, ---- approximately half of the world’s population today lives in the city.

The body faces many dangers such as physical damage and infectious diseases ----.

As well as getting rid of waste chemicals, ----.

A new helmet display promises to give bikers eyes in the back of their heads. The designer of the equipment states that the inherent problem with motorcycles is that the mirrors reflect a very small image and, because of the position of the mirrors, motorcyclists mostly just see their elbows. A small backlit display screen is added onto motorcycle helmets with an adjustable arm which lets riders place it just below or above their eye, in their peripheral vision. A rear-facing camera attached to the back of the bike streams live video via Wi-Fi to the helmet-mounted receiver. The images are processed and stabilised before they reach the display to accommodate for the bike’s movements. One glance at the display gives the rider a wide view of the road behind them. Although the screen is just next to the user’s face, optics fool the eye into focusing at a more comfortable distance of around 3 metres. However, it is still suggested that users should check their mirrors and do the lifesaver check, turning their heads to check blind spots.

What is the problem regarding the motorcyclists’ vision?

A new helmet display promises to give bikers eyes in the back of their heads. The designer of the equipment states that the inherent problem with motorcycles is that the mirrors reflect a very small image and, because of the position of the mirrors, motorcyclists mostly just see their elbows. A small backlit display screen is added onto motorcycle helmets with an adjustable arm which lets riders place it just below or above their eye, in their peripheral vision. A rear-facing camera attached to the back of the bike streams live video via Wi-Fi to the helmet-mounted receiver. The images are processed and stabilised before they reach the display to accommodate for the bike’s movements. One glance at the display gives the rider a wide view of the road behind them. Although the screen is just next to the user’s face, optics fool the eye into focusing at a more comfortable distance of around 3 metres. However, it is still suggested that users should check their mirrors and do the lifesaver check, turning their heads to check blind spots.

 It is understood from the passage that the helmet display ----

A new helmet display promises to give bikers eyes in the back of their heads. The designer of the equipment states that the inherent problem with motorcycles is that the mirrors reflect a very small image and, because of the position of the mirrors, motorcyclists mostly just see their elbows. A small backlit display screen is added onto motorcycle helmets with an adjustable arm which lets riders place it just below or above their eye, in their peripheral vision. A rear-facing camera attached to the back of the bike streams live video via Wi-Fi to the helmet-mounted receiver. The images are processed and stabilised before they reach the display to accommodate for the bike’s movements. One glance at the display gives the rider a wide view of the road behind them. Although the screen is just next to the user’s face, optics fool the eye into focusing at a more comfortable distance of around 3 metres. However, it is still suggested that users should check their mirrors and do the lifesaver check, turning their heads to check blind spots.

 Which of the following could be the best title for the passage ?

For centuries, the world’s physicists, writers and philosophers have argued about whether time travel is possible, with most coming to the conclusion that it is never going to happen. But on a large plot of land just outside the small town of Comfort, Texas, a group of architects, engineers and scientists are building a ‘Timeship’ that they say it could transport tens of thousands of individuals to a far-distant future. Their approach does not involve the use of flux capacitors, or zooming at light-speed through black holes. Instead, the Timeship aims to store people at such low temperatures that their bodies are preserved for a future civilisation to reanimate them, a concept known as cryonics. “Just as a spaceship allows people to move through space, our Timeship will allow people to travel to another time in the future,” explains Stephen Valentine, who is the director and principal architect of the Timeship project.

According to the group of architects, engineers and scientists in Texas , ......

For centuries, the world’s physicists, writers and philosophers have argued about whether time travel is possible, with most coming to the conclusion that it is never going to happen. But on a large plot of land just outside the small town of Comfort, Texas, a group of architects, engineers and scientists are building a ‘Timeship’ that they say it could transport tens of thousands of individuals to a far-distant future. Their approach does not involve the use of flux capacitors, or zooming at light-speed through black holes. Instead, the Timeship aims to store people at such low temperatures that their bodies are preserved for a future civilisation to reanimate them, a concept known as cryonics. “Just as a spaceship allows people to move through space, our Timeship will allow people to travel to another time in the future,” explains Stephen Valentine, who is the director and principal architect of the Timeship project.

According to the passage, the Timeship ----.

For centuries, the world’s physicists, writers and philosophers have argued about whether time travel is possible, with most coming to the conclusion that it is never going to happen. But on a large plot of land just outside the small town of Comfort, Texas, a group of architects, engineers and scientists are building a ‘Timeship’ that they say it could transport tens of thousands of individuals to a far-distant future. Their approach does not involve the use of flux capacitors, or zooming at light-speed through black holes. Instead, the Timeship aims to store people at such low temperatures that their bodies are preserved for a future civilisation to reanimate them, a concept known as cryonics. “Just as a spaceship allows people to move through space, our Timeship will allow people to travel to another time in the future,” explains Stephen Valentine, who is the director and principal architect of the Timeship project.

Which of the following could be the best title for the passage?

Jessica:  Why do you think Galileo Galilei is accepted as one of the most important scientists?

Robert:  Because he invented the astronomical telescope and suggested the sun-centered Solar System.

Jessica:  ----

Robert:  It’s really surprising that you’re questioning it. His studies started everything about the Universe!

Mert:  I ran a couple of kilometres this morning as usual, and I’ve got this awful pain in my leg. Fatma:  ---- Mert:  No, I’ve been running in the mornings for the last three months, I haven’t taken a break. Fatma:  Frequent runners often suffer pain in their legs, and nobody knows why. Maybe you should take it easy for a couple of days

Officially the biggest street party on the planet, Salvador’s awesome Carnival offers greater participation and much more fun than its more famous counterpart in Rio.

Growth is more gradual in childhood than in infancy, but this is a time when new skills and knowledge are rapidly acquired

You couldn’t hand in your assignment on time, so you lied to your teacher about your mother being sick in hospital. The next day, your teacher found out the truth, then she phoned your mother. You are ashamed of what you did, and you apologise to your teacher: ----

---- A baby was born with a small head caused by incomplete brain development. The mother likely caught the virus in Brazil. Meanwhile, the US Centers for Disease Control and Prevention have advised pregnant women against travel to countries affected by the Zika virus

Water makes up 60 per cent of our bodies and 75 per cent of our brains, but there are still plenty of misconceptions and myths in the public about how it relates to our health

İngiliz yazar Jane Austen, gündelik hayattaki sıradan insanları ele alma şekliyle romana modern bir karakter kazandıran ilk yazardır.

(I) A new electronic tattoo listens to the sounds of the human body, including the heart and muscles. (II) The sensor-loaded skin patch could be used for medical monitoring, like to detect irregular heartbeats, for example. (III) Electronic tattoos are a controversial issue as some people believe that they may harm the body because of the chemicals they include. (IV) Placed on the throat, it could also act as a human-machine interface by picking up the vibrations of your voice, even in noisy conditions. (V) In one demonstration, people used it to play games by voice control at a crowded party