Ⅰ.单词拼写
1.The country chose to (实施) research work on 12 types of vaccines from 10 research units across the country.
2.I've never cooked this before so it's an (试验).
3.While piggy banks(存钱罐) teach children the (智慧) of saving, large quantities of information about saving are also updated for adults.
4.You'd better watch some Chinese TV programs, for example, CCTV-NEWS, which will help you correct your pronunciation (错误).
5.We'll have to (延迟) the meeting until next week.
6.She took a (广泛的)view of the duties of being a teacher.
