肾移植术后最常见的并发症也是造成患者死亡的主要原因的是
A.感染 B.出血C.血肿 D.尿瘘E.应激性溃疡
参考答案:A
Ten years ago the population of our village was ______ that of theirs.
A.as twice large as
B.twice as large as
C.twice as much as
D.as twice much as
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