20. I made a promise to myself______this year, my first year in high school,would be different.

40. What might be the best title for the passage?

26. —Do you know our school at all?—No, this is the first time I ________ here.

64.新技术是为了让生活更轻松，而不是更困难。

47. Experiences and skills: four years of ______ at Lambert Warner; 

57.在加工过程中，会重新人为加入某些食物的维生素和矿物质，但却未必和原来的一样健康。

（ ）51. Many dealerships prey on the unprepared.Going into a showroom “cold”一without having gathered key facts and preliminary(初步的) pricing figures - gives the salesperson too much control over the buying process.

27. If you ________ home without a word, your parents wouldn‘t be so worried now.

49. serve as ______ of the Lambert Warner Christmas Ball for the last two years;

29. ______ people in the world are sending information by E-mail every day.

23. If we ________ now to protect the environment, we‘ll live to regret it.

28. Only when he returned from the exchange program________how much he enjoyed it.