远期净敞口头寸的数量等于卖出的远期合约头寸减去买入的远期合约头寸。（）
参考答案：错
解析：
应为买入的减去卖出的。
You didn't let me drive. If we________ in turn, you__________so tired. [ ]
A. drove; didn't get
B. drove; wouldn't got
C. were driving; wouldn't get
D. had driven; wouldn't have got.
直接角膜反射消失，间接角膜反射存在说明（）
A.引起眼睑闭合
B.面神经支配眼轮匝肌
C.三叉神经眼支至脑桥
D.三叉神经病变（传入障碍）
E.病侧面神经瘫痪（传出障碍）
