Fill in each blank with ONE suitable word
Of the 6000 earthquakes on the earth each year, only about fifteen cause great damage .................... many deaths.
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Scientists and doctors say that about 34 million Americans are (41) ......too...... fat. Why is this? One cause is the kind of food Americans (42) .............eat.......... Many Americans like "fast foods". These (43 ) ..........foods.......... ( such as hamburgers and ice - cream) often have fattening things in them. (44) ......Another...... cause is the way Americans eat. They often eat little snacks (45) ...........between........ regular meals. These extra foods add extra fat on the body. A third cause is not (46) ...........enough......... exercise. Americans like driving (47) ..........everywhere.......... instead of walking. They often Hiave (48) ..........machines........ to do a lot of the work. Some Americans are also too heavy because (49) ...........of......... health problems. But for most of those 34 million (50) ............Americans........... the problem is the American lifestyle.
1 open
2 environment
3 What
4 polluted
5 extinction
6 But
7 easy
8 possible
9 electricity
10 better
Fill in each blank with ONE suitable word
Another way to predict earthquakes ...is....... to look for changes in the earth's surface, a sudden drop of water level in the ground.
Visual pollution can (1) ________happen ______ outside or inside your house. When you are in the street, do you look around and see too many telephone poles, overhead power lines, or advertising billboards? This is known as a ‘negative visual environment’, and it causes visual (2) ______pollution________. For many communities, visual pollution also includes uncut weeds, graffiti, litter, and even badly cared-for buildings. This kind of pollution can be present in your house, too. If you dump clothes or school things (3) ________on______ the floor, it causes visual pollution. A room with too (4) ________much______ furniture placed in an untidy way is another example of visual pollution in the house. You may not know that when you go out without wearing appropriate clothing, you can also cause this type of pollution.
Water kills thousands of people and ____destroys _________(1) many acres of crops every year, but water also gives life to all living things in the world.
Without water, life would be unthinkable. We _____must ______(2) have water to grow our food, feed the birds and animals _____in _______(3) our homes, grow forests and produce electricity. We use waterways_____to _____ (4) carry our goods of trade. Even the human body, which is seventy parts of one hundred of water itself, ______cannot _____(5) exist for long without water.
Ever ______since _____(6) the earth began, large quantities of water have been used by living things. Yet for every drop of water that is taken from one place, another drop is put back from somewhere else.
Nature has a very clever ____way ______(7) of carrying water from cloud to land and sea and back to cloud. No water has been lost.
But nature does not put water where and when we need it. __While _______(8) some men are drowning, others in another part of the world are dying of thirst. Thus, people all ____over _____(9) the world are trying to bring water to places where it is scarce, to control its flow in times of floods and to make greater ____use ______(10) of it.
Of the 6000 earthquakes on the earth each year, only about fifteen cause great damage .makes.. many deaths.