别嘌呤醇治疗痛风的机制主要涉及下列哪个酶的变化（）
A.腺苷脱氨酶
B.嘌呤磷酸化酶
C.黄嘌呤氧化酶
D.5′核苷酸酶
E.鸟嘌呤酶
参考答案：C
单词拼写（共5小题；每小题1分，满分5分）
小题1:When did you get these old c (硬币)
小题2:As we know,China,Japanese are both A （亚洲）countries
小题3:On my way home I d (掉)my book yesterday.
小题4:Be c (小心的)when you walk across the street.
小题5:Everyone is here except Cheng Gang. What is wrong with him?
P (也许)he has got a bad cold
《念奴娇•赤壁怀古》是宋词重要作品，其作者是北宋著名豪放派词人______。
A．范仲淹
B．王安石
C．苏轼
D．黄庭坚
