Health is something we tend to ignore when we have it. When our body is rather well, we're hardly ever (66) ....of it. But illness can come, even (67)........ we are young. In fact, childhood has been a very vulnerable time. Many (68).....attacked children in particular and people knew very little about how to prevent such illness or how to (69).... them once they struck. The result was that many children died. About century ago, however, scientists found out about germs, and then everything (70)....... The cause of many diseases (71)..... known, and cures were developed. As this medical knowledge spread the world became (72)..... safer for children. The result is that whereas a hundred years ago the average man lived for 35 years. Nowadays, in many places of the world, people can expect to (73)..... for years. And what do we except by the years 2010? Undoubtedly, (74..... science will continue to advance. Some people will be able to (75) ...... medical problems that are unavoidable today.

Read the passage and choose the correct answer (A, B, C or D).

Earth, our beautiful home planet, is the only astronomical object to accommodate life (23) . . . . . we know it. Scientists believe Earth was (24) . . . . . approximately 4.5 billion years ago. It is the fifth-largest (25) . . . . . in our solar system. Its equatorial diameter is about 12,074 kilometres. Earth is the third-closest planet to the sun. The distance from Earth to the sun is roughly 149,600,000 kilometres. It (26) . . . . 365,3 days for Earth to obit the sun, and 24 hours to rotate on its axis. The surface temperature ranges from -88 to 58°

C. Nearly 70 percent of Earth’s surface is covered by ocean, (27) . . . . has an average depth of about 4 kilometres. In 2015 it was estimated that 7,3 billion humans are living on Earth.

Question 24:

A. find

B. formed

C. found

D. built

Read the passage and choose the correct answer (A, B, C or D).

Earth, our beautiful home planet, is the only astronomical object to accommodate life (23) . . . . . we know it. Scientists believe Earth was (24) . . . . . approximately 4.5 billion years ago. It is the fifth-largest (25) . . . . . in our solar system. Its equatorial diameter is about 12,074 kilometres. Earth is the third-closest planet to the sun. The distance from Earth to the sun is roughly 149,600,000 kilometres. It (26) . . . . 365,3 days for Earth to obit the sun, and 24 hours to rotate on its axis. The surface temperature ranges from -88 to 58° C. Nearly 70 percent of Earth’s surface is covered by ocean, (27) . . . . has an average depth of about 4 kilometres. In 2015 it was estimated that 7,3 billion humans are living on Earth.

Quesstion 23:

A. as

B. so

C. because

D. that

Read the passage and choose the correct answer (A, B, C or D).

Earth, our beautiful home planet, is the only astronomical object to accommodate life (23) . . . . . we know it. Scientists believe Earth was (24) . . . . . approximately 4.5 billion years ago. It is the fifth-largest (25) . . . . . in our solar system. Its equatorial diameter is about 12,074 kilometres. Earth is the third-closest planet to the sun. The distance from Earth to the sun is roughly 149,600,000 kilometres. It (26) . . . . 365,3 days for Earth to obit the sun, and 24 hours to rotate on its axis. The surface temperature ranges from -88 to 58° C. Nearly 70 percent of Earth’s surface is covered by ocean, (27) . . . . has an average depth of about 4 kilometres. In 2015 it was estimated that 7,3 billion humans are living on Earth.
Question 26:

A. has

B. takes

C. gets

D. begins

Read the passage and choose the correct answer (A, B, C or D).

Earth, our beautiful home planet, is the only astronomical object to accommodate life (23) . . . . . we know it. Scientists believe Earth was (24) . . . . . approximately 4.5 billion years ago. It is the fifth-largest (25) . . . . . in our solar system. Its equatorial diameter is about 12,074 kilometres. Earth is the third-closest planet to the sun. The distance from Earth to the sun is roughly 149,600,000 kilometres. It (26) . . . . 365,3 days for Earth to obit the sun, and 24 hours to rotate on its axis. The surface temperature ranges from -88 to 58°C. Nearly 70 percent of Earth’s surface is covered by ocean, (27) . . . . has an average depth of about 4 kilometres. In 2015 it was estimated that 7,3 billion humans are living on Earth.

Question 27:

A. what

B. that

C. which

D. where

Read the passage and choose the correct answer (A, B, C or D).

Earth, our beautiful home planet, is the only astronomical object to accommodate life (23) . . . . . we know it. Scientists believe Earth was (24) . . . . . approximately 4.5 billion years ago. It is the fifth-largest (25) . . . . . in our solar system. Its equatorial diameter is about 12,074 kilometres. Earth is the third-closest planet to the sun. The distance from Earth to the sun is roughly 149,600,000 kilometres. It (26) . . . . 365,3 days for Earth to obit the sun, and 24 hours to rotate on its axis. The surface temperature ranges from -88 to 58° C. Nearly 70 percent of Earth’s surface is covered by ocean, (27) . . . . has an average depth of about 4 kilometres. In 2015 it was estimated that 7,3 billion humans are living on Earth.

Quesstion 25:

A. system

B. planet

C. star

D. sun

Read the passage and choose the correct answer (A, B, C or D).

Earth, our beautiful home planet, is the only astronomical object to accommodate life (23) . . . . . we know it. Scientists believe Earth was (24) . . . . . approximately 4.5 billion years ago. It is the fifth-largest (25) . . . . . in our solar system. Its equatorial diameter is about 12,074 kilometres. Earth is the third-closest planet to the sun. The distance from Earth to the sun is roughly 149,600,000 kilometres. It (26) . . . . 365,3 days for Earth to obit the sun, and 24 hours to rotate on its axis. The surface temperature ranges from -88 to 58°

C. Nearly 70 percent of Earth’s surface is covered by ocean, (27) . . . . has an average depth of about 4 kilometres. In 2015 it was estimated that 7,3 billion humans are living on Earth.

Question 25:

A. system

B. planet

C. star

D. sun

Read the passage and choose the correct answer (A, B, C or D).

Earth, our beautiful home planet, is the only astronomical object to accommodate life (23) . . . . . we know it. Scientists believe Earth was (24) . . . . . approximately 4.5 billion years ago. It is the fifth-largest (25) . . . . . in our solar system. Its equatorial diameter is about 12,074 kilometres. Earth is the third-closest planet to the sun. The distance from Earth to the sun is roughly 149,600,000 kilometres. It (26) . . . . 365,3 days for Earth to obit the sun, and 24 hours to rotate on its axis. The surface temperature ranges from -88 to 58°

C. Nearly 70 percent of Earth’s surface is covered by ocean, (27) . . . . has an average depth of about 4 kilometres. In 2015 it was estimated that 7,3 billion humans are living on Earth.

Question 23:

A. as

B. so

C. because

D. that

Read the passage and choose the correct answer (A, B, C or D).

Earth, our beautiful home planet, is the only astronomical object to accommodate life (23) . . . . . we know it. Scientists believe Earth was (24) . . . . . approximately 4.5 billion years ago. It is the fifth-largest (25) . . . . . in our solar system. Its equatorial diameter is about 12,074 kilometres. Earth is the third-closest planet to the sun. The distance from Earth to the sun is roughly 149,600,000 kilometres. It (26) . . . . 365,3 days for Earth to obit the sun, and 24 hours to rotate on its axis. The surface temperature ranges from -88 to 58° C. Nearly 70 percent of Earth’s surface is covered by ocean, (27) . . . . has an average depth of about 4 kilometres. In 2015 it was estimated that 7,3 billion humans are living on Earth.

Question 24:

A. find

B. formed

C. found

D. built