공통영어2 천재 강상구 1과 변형문제

You are on a camping trip with your family or ____

After ____ long day of hiking, you take a quick shower, sit in your favorite camping chair, pick up a soda, and let out a deep, contented sigh.

____ at that moment, you hear that annoying and familiar buzzing sound.

Beating its wings as fast as 600 ____ per second, a mosquito sneaks in and pierces your skin with its straw-like mouthparts.

Next, it fills its belly with blood and ____ escapes quickly, leaving behind an itchy red bump.

This is a mild allergic reaction to the mosquito’s ____

____ more you scratch the bump, the more it itches.

Carbon dioxide, which humans and other animals breathe out, is actually a key signal to mosquitoes that a nice meal is ____

They are highly ____ to CO2 and can detect it from far away.

____ not the only cue they use to find their victims.

____ you sweat, you release certain chemicals that attract them.

Moreover, they can easily notice that your body temperature has ____

Why do they want ____ blood in the first place?

It ____ out that only females bite us; they need protein to produce eggs.

If our blood did not contain ____ they would not bother us.

After the mosquito successfully takes a blood meal of up to three times her own body ____ she quickly lands on the nearest vertical surface.

With the aid of ____ she drains off the water from the blood she took.

____ this concentrated blood, she develops her eggs over the next few days.

She then lays roughly 200 floating eggs ____ the surface of a small pool of water.

If you had to choose our greatest predator in nature, which ____ you pick?

Sharks, lions, or ____

According to history ____ Timothy Winegard, it is actually the mosquito.

Mosquitoes can ____ on deadly diseases like malaria and yellow fever.

Over a million people ____ die of these diseases every year.

Throughout history, Winegard estimates that ____ have killed more people than any other single cause—about fifty two billion people, nearly half of all humans who have ever lived.

Winegard claims ____ mosquitoes also played a role in shaping the history of several countries.

____ the Roman Empire, for example.

The fall of the ____ Roman Empire was gradual, spanning over centuries.

Here are ____ cited reasons for the fall of the empire: invasions by outside forces, economic troubles, and corruption.

Diseases like malaria, however, also ____

Rome, the capital of the empire, ____ once surrounded by a huge stretch of wetland.

This was an ideal breeding ground for mosquitoes and ____ a hot spot for malaria.

____ the one hand, mosquitoes helped protect the city against the armies coming to attack it.

However, they ____ spread the disease not only throughout the city, but also throughout the empire, crushing much of the population.

Here is another reason why Winegard considers the mosquito a powerful agent of historical ____

In 1698, five ships set sail from Scotland, carrying twelve hundred settlers and valuable trade ____

They headed for the Darien region ____ Panama, where Scotland planned to create a trading center.

After struggling through years of a food crisis, Scotland had hoped this would help ____ its economic prospects.

The ambitious plan, however, was brought down by the local diseases: yellow fever ____ malaria.

Virtually no one ____ Scotland had ever encountered any of these diseases before.

After six ____ nearly half of them died, and the survivors returned to their ships and fled.

If ____ immune systems had been much stronger, they would not have lost so many lives in such a short time.

Surprisingly, human beings lived with ____ died of these diseases for thousands of years without understanding how they were spread.

It was not until the end of the nineteenth century that ____ found out that mosquitoes spread malaria.

Before this finding, no one imagined that these tiny annoying insects might ____ affecting our lives so deeply.

____ we all know that human history is not free from the workings of the natural world.