问题补充:
is know to all, china will be an and powerful country in 20 or 30 year’ time.
A. That, advancing
B. This, advanced
C. As, advanced
D. It, advanced
答案:
A. That, advancing
B. This, advanced
(答案→)C. As, advanced
D. It, advanced
解析:考查固定词组,As is know to all意思“众所周知”, advanced意思“先进的”,句子意思“众所周知,中国在或30年内将成为先进的和有实力的国家”,所以选C