畜肉食物中,含量较多的矿物质是()。
A.钙
B.铁
C.锌
D.硒
E.碘
参考答案:B
大便为脓血便以血为主,呈暗红色稀果酱样,可能是什么疾病()
A.急性胃肠炎
B.阿米巴疾病
C.直肠癌
D.细菌性痢疾
E.消化不良
He said _____ at the meeting and just sat there silently. [ ]
A. something
B. anything
C. nothing
D. everything