问答题
a.止损指令能够避免更大的损失。止损指令是一种防御性指令。b.限价卖出指令是一种攻击性指令,在股票价格上涨时使用。
A.His notes are poor.B.He has missed a couple of classes.C.His vision is getting worse.D.He doesn't have any money to buy notes.