41. insurance n.保险
There are many insurances you can choose when you buy a house.当你买房子时有多种保险可供选择。
People without insurance should pay for their own loss.没上保险的人应自理损失费用。
42. junior a. ①初级的
All the children will go to junior schools before entering middle schools.所有的孩子在上中学之前都要上小学。
The book is suitable for the students who study junior English.这本书适合英语初学者。
②年少的
He is my junior.他比我小。
My sister is two years junior to me.我妹妹比我小两岁。
43. kid n.小孩
Where are the kids? 孩子们在哪？
How many kids do you have? 你有几个孩子？
44. latter n.（两者之中的）后者
They all support the former idea, but I prefer the latter one.他们都支持前一种想法，但我却比较喜欢后一种。
Of the two the latter one is better than the former one.两者中后者比前者好。
45. literature n.文学
When I was at university, I studied American and British literature.我在大学的时候学习了英美文学。
He got a degree in Russian literature.他获得了俄国文学学士学位。
46. means n. ①方法，手段
The quickest means of travel now is by air.现在最快的旅行方式是坐飞机。
He couldn’t speak, but made himself understood by means of signs.他不能说话但通过做手势的方式让人明白了他的意思。
②财产
She intended to marry her daughter to a man of means.她想把闺女嫁给个富翁。
Have the means to support your large family? 你的收入够养活你那一大家子人吗？
47. movie n.（口语）电影
There’s a good movie on tonight.今晚有一部好电影要上映。
We are all movie fans.我们都是电影迷。
48. observe v.观察，监视，观测
He kept on observing the stars for nearly 20 years.他坚持观察星相有将近20年了。
The police have been observing the suspect’s movements.警方一直监视着嫌疑犯的一举一动。
49. occupy v.占有，占据，占领
Her books occupied too much space.她的书占了太多的地方。
Voluntary work occupies a lot of my spare time.志愿服务工作占去我大部分业余时间。
The city was occupied by their enemy.那座城市被敌人占领。
50. outstanding a.杰出的，优秀的
I was proud of your outstanding performance.我为你们出色的表演感到自豪。
Some outstanding students are competing for the top prize.几名杰出的学生在争夺大奖