The Theoretical Research and Practice of Mathematics Experiments
shao guang-hua~1 bian zhong-yun~2(1.college of mathematics science; qufu normal university; qufu shandong 273165; china; 2.qufu normal university(yan zhou district); yan zhou shandong 273150; china)
Corpus-based Analysis on EFL Textbooks
he an-ping(college of foreign language and literature; south china normal university; guangzhou guangdong 510631; china)