52.the internet is so much more to a than you can imagine.  
53.a aspiring student  
54.after years of ups and downs  
55.it’s a lot more mainstream, i think, than people realize.  
56.trigger/cause  
57.women outnumber men 2-to-1 with the disease  
58.this in part, prompted her participation 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 tendency to fight than girls.  
63.freedom of action is one of inviolable rules of human behavior.  
64.their furniture was chosen for utility rather than for elegance.  
65.he welcomes us with artificial smile on his face.  
66.a doctor like him is a disgrace to our hospital.  
67.he was so steadfast to his principles that we couldn’t move him.  
68.her thrift saved 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 foul 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.credibility problem  
77.the fact has silenced the doubters.  
78.it’s staging a remarkable comeback.  
79.at yahoo, spontaneity is 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///overshadow sth  
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 crucial as exercise.  
93.proponents say cyclic fitness duplicates the physiology 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.redraw the line between what is private and public  
97.the sars outbreak deprived a of the chance to display her talent.  
98.but,on second thought, i see that  
99.give more weight to  
100.his "sleepless in the dorm" problem is hardly unique.