2. 已经买了许多设备。

A lot of equipment is/has already bought/been bought.

1. 一定要充分利用时间。

Time must be made full use of.

　 某英语报社正在进行一个有关学习方法的调查。最近你对你的同学作了一个调查，下面表格体现了两种不同的学习方法。请用英语简述并发给英语报社。

注意：1. 可对所给要点适当发挥；

　　　　　　 2. 词数100左右；

　　　　　　 3. 文章开头已给出，不计入总词数。

参考词汇：精力充沛的energetic高效的efficient

　　　　 Recently, I have made a survey in my class on how they study. They have different learning methods.

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85. His attending the meeting(他来出席会议)was expected.

84. I will make contributions to(为……作出贡献)the company by using my knowledge.

83. In their discussion, I was in favor of(支持)Mr. Li.

82. The policeman demanded that the gate should be shut(应该被关上).

81. Do you know what that sign stand for(代表)？

80. The school has decided to adopt a different approach(方法)to discipline.

79. He has made great contributions(贡献)to the space development program.