男性，30岁。反复中上腹疼痛10多年，解柏油样便3天伴头晕、乏力、心悸住院。急诊胃镜检查为十二指肠球后溃疡伴活动性出血。化验：RBC2.8×10¹²/L，Hb63g/L，WBC11.2×10⁹/L，PLT110×10⁹/L，网织红细胞0.02（2%）。

【假设信息】假如铁剂治疗2个月以上，血红蛋白仍没恢复正常，其最不可能原因是（）

A.患者未按医嘱服药

B.铁剂失效

C.出血未控制，丢失铁超过补充铁

D.有腹泻或肠蠕动过速，影响铁剂吸收

E.同时存在溶血性贫血

根据句意、首字母提示完成单词。

1．I h_________ ever eat junk food, because it's unhealthy food.

2．Maria e__________ every day, so she is in good health.

3．It's _______(hot) in summer in Beijing than that in Dalian.

4．Mary is t_________. Please bring her some water.

5．I can't go to the movies this Saturday. I have to have my piano l________.