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【单选题】
正确的电子邮箱地址格式是()。A.
用户名+计算机名+机构名+最高域名
B.
计算机名+@+机构名+最高域名
C.
用户名+@+计算机名+机构名+最高域名
D.
计算机名+@+机构名+最高域名+用户名
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举一反三
【单选题】He seems _________the homework, for he was taking a walk on the playground. [ ]
A.
has finished
B.
to have finished
C.
to finish
D.
finished
【单选题】What was he thinking about while he was taking a walk on campus?
A.
His first day on campus.
B.
His lifelong friends.
C.
The four years of his college life.
D.
The excitement of becoming a college student.
【单选题】What was he thinking about while he was taking a walk on campus?
A.
His first day on campus.
B.
His lifelong friends.
C.
The four years of his college life.
D.
The excitement of becoming a college student.
【单选题】缺铁性贫血采用铁剂治疗，观察疗效最早的指标是
A.
红细胞平均体积增大
B.
血清铁、总铁结合力恢复正常
C.
网织红细胞增高
D.
血红蛋白上升
E.
骨髓红系细胞形态恢复
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