A. 形容词 B. 虚词 C. 动词 D. 象声词
A. direct-with-normal-security B. sbo-with-normal-security C. direct-with-enhanced-security D. sbo-with-enhanced-security
A. 孔子 B. 老子 C. 庄子 D. 孟子
A. 1.5 B. 2 C. 1 D. 0.5