26. They also learn how to cope with personal problems as well as learning how to think, to make decisions, to analyze and evaluate, and to communicate effectively.

27. In places where it does not rain very often, irrigation canals drain water from rivers or lakes and carry it to fields.

28.To lose weight, we must get fewer calories from food than the body uses.

29. There are two factors which determine an individual’s intelligence.

30. The second step is the water returning to the earth in the form of either rain, snow or ice.

31. They felt that only an international organization could keep world peace.

32. When I told my family that I was thinking of taking a cooking job, the roars of laughter were rather discouraging.

33. This means the sun’s energy passes through plant to animal before it reaches us.

34. As will as being exhausted, however, I felt nothing more than a boring job.

35. The investigators found further that women are better at detecting anger from facial expression than men are.

36. For example, in order to work out present and future needs we must know how people are housed now, and the sizes and ages of their families.

37. A new study shows that fat people in the United States suffer direct economic and social effects because of their size.

38. On the basis of this traditional concept, the circle was widely adopted in the design of the temple’s main buildings.

39. Research indicates that parents who reward self-control and independence tend to have children with high achievement motivation.

40. Actually children go to school to prepare themselves for the time when they will be grown up and will have to support themselves.

41. How men first learnt to invent words is unknown; in other words, the origin of language is a mystery.

42. It is noise pollution that we need to control in order to help people live more happily.

43. Female smokers are thought to be less affected because they do not breathe in the smoke so deeply.

44. A paper printed in London around midnight can be at any breakfast table in England the next morning, except in remote country districts.

45. Some lighthouse in the past had to be made lower after they had been built, when it was found that the light was often hidden in the upper mists.

46. Scientists are searching for a suitable alternative, but so far in vain.

47. The government built big dams across the river and stored the water for use during the dry season when there was no rain.

48. Every human being, no matter what he is doing, givens off body heat. The problem is how to dispose of it.

49. The problem is that your study habits formed in high school may make you unable to study well in college because you have never experienced what it takes to perform at the college level.

50. Human naturally use mouth movements to help them understand differences between similar words like “bat” and “pat”.