下列药物经过炮制后可降低毒性的是
A．苍术
B．白芍
C．斑蝥
D．淫羊藿
E．地榆
参考答案：C
解析：斑蝥为毒性药材，炮制后降低毒性。
—He passed the driving test.
—So _______ everyone if he or she spends as much time on it as him. [ ]
A. does
B. did
C. has
D. will
明代成就最高的散曲家是（），他的散曲集是（）。
