51.get in touch via QQ

52.The Internet is so much more to A than you can imagine.

53.a aspiring¹ student

54.After years of ups and downs

55.It's a lot more mainstream², I think, than people realize.

56.trigger/cause

57.women outnumbermen 2-to-1 with the disease

58.This in part, prompted her participation³ in the campaign.

59.stem the spread of disease

60.remake its image as a center of international activities

61.His subtle smile made him curious.
　　
62.Boys have a strong tendencyto fight than girls.

63.Freedom of action is one of inviolablerules of human behavior.

64.Their furniture was chosen for utilityrather than for elegance⁴.

65.He welcomes us with artificialsmile on his face.

66.A doctor like him is a disgraceto our hospital.

67.He was so steadfastto his principles that we couldn't move him.

68.Her thriftsaved her enough money to buy a house.

69.Her father gave her the alternative of doing A or doing B.

70.Vegetables are widely known for their health benefits.

71.Too much alcohol makes all my senses blunt.

72.The new generation of phones has features that can be used for teaching purpose.

73.technical foul⁵ 技术犯规///free throw 罚球///field goal 进球得分///three-point shot///out-of-bound界外

74.Believe you me! 你最好相信我！

75."settle for sth" means reluctantly accept sth that is not so satisfactory.

76.credibilityproblem

77.The fact has silenced the doubters.

78.It's staging a remarkable⁶ comeback.

79.At Yahoo, spontaneityis out, order is in.

80.Wait a few years before we judge them as a group.

81.Different people have different views.

82.paint a picture of young people insecure about their future and deciding to do...

83.The book succeeded in doing a number of things,....

84.be quickly adopted by the media
　　
85.It fails to take into account individual traits and differences between people of same age or background.

86.They are seen to share a general attitude.

87.Great strides have been made in science since 1950.

88.We had a very fruitful discussion in the classroom.

89.in urgent need of medical supplies///overshadowsth

90.There 's evidence to suggest that the onion has a high level of nutrition.

91.A is believed to have the ability to prevent disease.

92.Rest is as crucialas exercise.

93.Proponents⁷ say cyclic fitness duplicates the physiology⁸ of how humans evolved.

94.conventional

95.They will not ,he believes, get the health benefits(such as losing weight) without putting sufficient time into their exercise.

96.redrawthe line between what is private and public

97.The SARS outbreakdeprived A of the chance to display her talent.

98.But,on second thought, I see that

99.give more weight to

100.His "sleepless⁹ in the dorm" problem is hardly unique.