对恐怖分子采取“人防”的措施包括（）。
A.开设反恐教育讲座
B.开展天网行动
C.对危险物品进行监控
D.网上反恐
参考答案：A
— I heard that you made a bicycle trip to the 2010 World Expo of Shanghai alone.
— No. Actually, my friend Bob ______ me. [ ]
A. accompanied
B. conducted
C. instructed
D. received
下列药材除哪项外均易发霉、生虫（）
A.板蓝根、贝母、姜
B.川乌、北沙参、山药
C.人参、三七、白芍
D.白芷、防风、泽泻
