信息沟通准确的是（）
A.双向沟通
B.上行沟通
C.单项沟通
D.下行沟通
参考答案：A
用所给词的适当形式填空
小题1:Many _____(man) are playing basketball on the playground.
小题2:Jack has ____apples, but he doesn’t have _____(some) strawberries.
小题3:There are two ____in my family, but there is only one ____(child) in Jack’s family.
具有平肝潜阳，镇静安神功效的药物是（）具有定惊安神，活血散瘀功效的药物是（）
A.琥珀
B.远志
C.龙骨
D.酸枣仁
E.合欢皮
