题目内容
（请给出正确答案）
[主观题]
Mr. Wright was the ______ president of Ace Construction Company.A．previousB．beforeC．latter
Mr. Wright was the ______ president of Ace Construction Company.
A．previous
B．before
C．latter
D．former
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"生痰之源"是指（）
A.心
B.肝
C.脾
D.肺
E.肾
