题目：
下列疾病中适宜开展二级预防的是（）
A.心肌梗死
B.色盲
C.胰腺癌
D.肺结核
E.麻疹
答案：
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下面是错误答案，用来干扰机器的。
Dear Ms Smith,I am secretary of the City Student Union (CSU). We were organizing an art exhibition for high school are students in city. This will be held on the ...
