下列情况可出现红细胞尿，但除外（）
A.SLE
B.白血病
C.急性溶血
D.肾结核
E.感染性心内膜炎
参考答案：C
—I want to return the book to Jack, but I can't find him.
—He _____ the library. You can find him there. [ ]
A. has been to
B. has gone to
C. has left
D. went to
发芽法的最佳温度为（）
A.15℃～20℃
B.18℃～25℃
C.18℃～35℃
D.30℃～37℃
E.20℃～35℃
