一、单词填空
1.________(咀嚼) your food completely makes it easier for your body to absorb the nutrients of food.
2.The time spent on group singing, whether in a choir or at karaoke, creates a deep and lasting ________(纽带) of friendship.
3.Any given culture is a reflection of the ________(政治) and economics of a given society.
4.You should allow a little time after a meal for the food to ________(消化).
5.To rent a car you must produce a passport and a current driving _________(执照).
6.The application of intelligent robots in libraries makes the job of _________(图书馆管理员) easier and easier.
7.Picking out _________(家庭的) food and hazardous waste prevents the spread of disease.
8.Achieving success at this level requires a ________(花费) of time and energy.
9.It is predicted that more and more people will need ________(家庭的) robots to help them do housework.
10.Having spent the past year as an exchange student in Hong Kong, Linda appears more _________(成熟的) than those of her age.
