Why is it that many teenagers have the energy to play computer games until late at night but can't find the energy to get out of bed (1) ________ for school? According to a new report, today's generation of children are in danger of getting so (2)_______ sleep that they are putting their mental and physical health at (3)_______. Adults can easily survive on seven to eight hours' sleep a night, (4)_______teenagers require nine or ten hours. According to medical experts, one in five youngsters (5)________ anything between two and five hours' sleep a night less than their parents did at their age.

Điền vào số 5

Tattooing is an old art. In ancient Greece, people who had tattoos were regarded as members  of  the  (1)_____ classes.  On  the  other  hand,  tattooing  was (2)______ in Europe by the early Christians, who thought that it was a sinful thing to (3)_____. It was not until the late 18th  century, when Captain Cook saw South Sea Islander decorating their bodies with tattoos that attitudes began to change. Sailors came back from these islands with pictures of Christ on their backs and from then on, tattooing (4)_____  in  popularity.  A survey  by  the  French  army  in  1881 (5)______ that among the 387 men, there were 1,333 designs.

Điền vào số 5

During the last 400 years, most scientists have (1) ________on mathematics in their development of their inventions or discoveries. However, one great British scientist, Michael Faraday, did not make (2)__________of mathematics. Faraday, the son of a poor blacksmith, was born in London in 1791 and had no (3) _________beyond reading and writing.

In 1812 Faraday was hired as a bottle washer by the great chemist Humphry Davy. Later, Faraday became a greater scientist than Davy, making the last years of Davy's life embittered (4) __________ jealousy. Faraday made the first (5)__________motor in 1821, a device that used electricity to produce movement.

Điền vào số 5

During the last 400 years, most scientists have (1) ________on mathematics in their development of their inventions or discoveries. However, one great British scientist, Michael Faraday, did not make (2)__________of mathematics. Faraday, the son of a poor blacksmith, was born in London in 1791 and had no (3) _________beyond reading and writing.

In 1812 Faraday was hired as a bottle washer by the great chemist Humphry Davy. Later, Faraday became a greater scientist than Davy, making the last years of Davy's life embittered (4) __________ jealousy. Faraday made the first (5)__________motor in 1821, a device that used electricity to produce movement.

Điền vào số 4

Tattooing is an old art. In ancient Greece, people who had tattoos were regarded as members  of  the  (1)_____ classes.  On  the  other  hand,  tattooing  was (2)______ in Europe by the early Christians, who thought that it was a sinful thing to (3)_____. It was not until the late 18th  century, when Captain Cook saw South Sea Islander decorating their bodies with tattoos that attitudes began to change. Sailors came back from these islands with pictures of Christ on their backs and from then on, tattooing (4)_____  in  popularity.  A survey  by  the  French  army  in  1881 (5)______ that among the 387 men, there were 1,333 designs.

Điền vào số 4

Why is it that many teenagers have the energy to play computer games until late at night but can't find the energy to get out of bed (1) ________ for school? According to a new report, today's generation of children are in danger of getting so (2)_______ sleep that they are putting their mental and physical health at (3)_______. Adults can easily survive on seven to eight hours' sleep a night, (4)_______teenagers require nine or ten hours. According to medical experts, one in five youngsters (5)________ anything between two and five hours' sleep a night less than their parents did at their age.

Điền vào số 4