第二部分:英语知识运用(共两小节,满分45分)
第一节:语法和词汇知识(共15小题;每小题1分,满分15分)
21. You know nowadays ____ good knowledge of foreign language is ____ must in finding a job.
A. a, the B. the, a C. a, \ D. a, a
22. He made another wonderful discovery, _____ of great importance to science.
A. which I think is B. which I think it is C. which I think it D. I think which is
