正确反映南半球副热带高压带两侧大气运动的是()
A.图A
B.图B
C.图C
D.图D
参考答案:C
Every week, we have classes _______ Monday to Friday. [ ]
A. on
B. to
C. from
D. with
患者男性,患溃疡病5年,经常胃出血,经医院检验Hb90g/L,RBC3.8乘以十的十二次方/L,确诊为缺铁性贫血,此病的原因是
A.缺乏胃蛋白酶B.缺乏白蛋白C.慢性失血D.缺乏维生素B12E.缺乏叶酸