能止咳平喘，润肠通便，但有小毒的药物是
A．葶苈子B．杏仁C．白芥子D．黄药子E．苏子
参考答案：B
He often goes online and gets many ______.[ ]
A. information
B. messages
C. advice
D. news
骨髓干抽最常见的疾病有__________________、_____________、_____________、和____________。
