患者，女，26岁。近日吐血，衄血，血色鲜红，口干咽燥，舌红，脉弦数。治疗应首选
A．咳血方
B．黄土汤
C．槐花散
D．四生丸
E．小蓟饮子
参考答案：D
—My car _____ twice this month.
—I'm sorry to hear that.[ ]
A. has been broken in
B. was broken in
C. has been broken into
D. was broken into
在人的正常体细胞中，控制性状的基因一般是______ 存在的．
