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Tìm lỗi sai 

1.So far Linda has been writing 5 novels on the problems teenagers have to cope with in the new world

2.Pele,from Brazil,is considered one of the greatest football player of all time

3.Is it important that the serectary finishes the typing today

4.Preserving natural resources means reserved them for our future

5.There has been quite a few objections to the new policy

6.Lynn wishes she had a bigger apartment and can buy a car

a)

b)

The earth has a tremendous amount of water, but almost (1). . . . . . . . . is in the oceans. The oceans (2). . . . . . . . . about 70 percent of the earth’s surface. They (3). . . . . . . . . . about 97 percent of all the water on earth, and are the source of (4). . . . . . . . . . precipitation that falls to earth. Ocean water is (5). . . . . . . . . to be used (6). . . . . . . . , agriculture, or industry. But the salt is left (7). . . . . . . . during evaporation, and the precipitation that falls to earth is unsalty water.
Only about 3 percent of the water on earth is fresh water and most of it is not easily (8). . . . . . . . . . to man. It includes water locked in (9). . . . . . . . . and ice-caps, more than 2 percent of the earth’s surface. About half of 1 percent of the earth’s water is beneath the earth’s surface. Rivers and lakes contain only about (10). . . . . . . . of 1 percent of the earth’s water.

=(√5-√3)²

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GIÚP LẸ VSSSSS

The earth has a tremendous amount of water, but almost (1). . . . . . . . . is in the oceans. The oceans (2). . . . . . . . . about 70 percent of the earth’s surface. They (3). . . . . . . . . . about 97 percent of all the water on earth, and are the source of (4). . . . . . . . . . precipitation that falls to earth. Ocean water is (5). . . . . . . . . to be used (6). . . . . . . . , agriculture, or industry. But the salt is left (7). . . . . . . . during evaporation, and the precipitation that falls to earth is unsalty water.
Only about 3 percent of the water on earth is fresh water and most of it is not easily (8). . . . . . . . . . to man. It includes water locked in (9). . . . . . . . . and ice-caps, more than 2 percent of the earth’s surface. About half of 1 percent of the earth’s water is beneath the earth’s surface. Rivers and lakes contain only about (10). . . . . . . . of 1 percent of the earth’s water.