1．__________ (先进的) lights, motors, and building designs have helped save a lot of energy and therefore prevented pollution.
[答案] Advanced
2．(2016·全国卷Ⅰ)Even when her daughter and son asked her to move to San Antonio to help with their children, she __________ (有礼貌的) refused.
[答案] politely
3．It is __________ (估计) that two thirds of the students are from the countryside.
[答案] estimated
4．If I remember my friend's birthday a day late, should I __________ (道歉) or just wish her a happy birthday like nothing happened?
[答案] apologise
5．—Was it John that knocked down the old woman?
—No, it can't be true. He is always such a __________ (谨慎的) driver.
[答案] cautious
6．Although __________ (lack) experience, he got the job.
[答案] lacking
7．His __________ of mind in class shows that he wants to be __________ from school. (absence)
[答案] absence；absent
8．I don't like the coat；in __________ (add), it's too expensive.
[答案] addition
9．It is difficult to imagine his __________ (accept) the decision without any consideration.
[答案] accepting
10．(2015·安徽卷)The presenter will show how students can use Prezi (演示文稿) to __________ (confident) present on a variety of topics.
[答案] confidently
