Do you think it's a good idea to make friends with your students?
______ , I do. I think it's a great idea.
A.Really
B.Obviously
C.Actually
D.Generally
答案是C，A.Really 真正的，B.Obviously 明显的,C.Actually 实际上,D.Generally 大体上.
Actually在句中起强调语气的作用，相当于sure，certainly,of course.
It seems that living green is easy____and affordable.
A small step masks a big difference.
A.exactly
B.fortunately
C.surprisingly
D.hardly
答案选C 绿色生活方式似乎惊人的容易且廉价。迈开一小步，就能带来大不同。
surprising：unusually or unexpectedly 不寻常的，出乎意料的。
How much_______ she looked without her glasses!
A.well
B.good
C.best
D.better
答案：D
她不带眼镜看起来好得多。此句为感叹句，how可修饰形容词和副词，但此题还考察much还修饰比较级，所以选better.
Compared with his sister, Jerry is evenmore ______to, and more easily troubled by, emotional andrelationship problems.
A.sceptical
B.addicted
C.available
D.sensitive
答案是D。Jerry和他的妹妹相比，对于情感和人际关系方面的问题更敏感，更容易被困扰。
A.sceptical 怀疑的
B.addicted 沉迷的
C.available （指物）可用的或可得到的，（指人）可会见的，可与之交谈的。
D.sensitive 敏感的，神经过敏的，易受伤寒的。
Over the past 20 years, the Internet has helped change our world in____way or another for the better.
A.any
B.one
C.every
D.either
答案是B，在过去的20年里，因特网以某些方式改善了我们的世界。
在本题中，one way or another 是固定搭配，意思是“一某些方式”“by some means,methods,etc”。
The CDs are on sale! Buy one and you get _____ completely free.
A.other B.others C.one D.ones
答案：C
CD减价销售啦，买一赠一。此处one 用来代替 a CD.
Nine in ten parents said there were significant differences in their approach to educating their children compared with __ of their parents.
A.those
B.one
C.both
D.that
答案选D
9/10的父母认为，与自己的父母相比，他们在教育孩子的方法上有很大的不同，这里的that 指的是approach.
______ you've tried it, you can't imagine how pleasant it is.
A. Unless
B. Because
C. Although
D. When
答案：A
解析：unless引导条件状语从句，表示“如果不，除非”。根据主句的意思可判断出选用unless表示“如果你不试一下的话，你就不能想象它是那么令人高兴。”because引导原因状语从句，意为“因为”，两句之间的关系是因果关系。although引导让步状语从句，意为“虽然……，但是……”。when引导时间状语从句，意为“当……的时候”。
Excuse me, Sir, is the swimming pool open all day?
_____Only from 6:00 pm to 10:00 pm.
A. That's right.
B. Yes, of course
C. Sorry, I am not sure
D. Sorry, I'm afraid not
答案：D
解析：Sorry, I'm afraid not.表示“对不起，恐怕不是。”根据答句“Only from 6:00 pm to 10:00 pm.”可判断出游泳池不是全天开放的。That's right.表示“那是对的。”Yes, of course.表示“是的，当然是。”Sorry, I am not sure.表示“对不起，我没有把握。”都与所提供的情景Only from 6:00 pm to 10:00 pm.矛盾。
You have been sitting on my hat and now it is badly out of______.
A. date
B. shape
C. order
D. balance
答案：B
解析：out of shape是“变型”的意思，根据前面“你坐在我的帽子上”可判断出帽子是“变型”了。out of date意为“过时”，out of order意为“混乱”，out of balance意为“失衡”。