西咪替丁可
A．使胃粘液分泌增加，保护溃疡面B．阻断H2受体C．阻断M受体D．直接中和胃酸E．抑制胃壁细胞质子泵
参考答案：B
书法史中提到的浓墨宰相是（），淡墨探花是（）。
Directions: You will invite Professor Green to be the guest speaker at the NASHE 2007 annual conference (Beijing, China, 2007. 12.15-12.18). Write a letter of invitation to Professor Green.
You should write about 100 words on ANSWER SHEET 2. Do not sign your own name at the end of the letter. Use "Li Ming" instead. Do not write the address. (10 points)
