1. 单词拼写。

结合语境，根据汉语提示用单词的适当形式填空。

1. （1） He can't(抵抗……的诱惑) ice creams.
3. （2） They bought that house at a (合理的) price.
5. （3） He was glad for his(获得) a prize.
7. （4） The new aircraft has performed very well in its(最初的) trials.
9. （5） It's bird in full (羽毛)．
11. （6） I (只是) suggest you should do it again.
13. （7） The great (不利) to living near a main road is noise.
15. （8） It's not necessarily a bad thing to(崇拜) film stars itself.
17. （9） Economists are working on the(假设) of an interest rate cut.
19. （10） Everyone must receive 9 years of(义务的) education.