问题
选择题
.The _________ look on his face suggested that he hadn’t expected _________ would happen.
A．surprised;what
B．surprising;what
C．surprised;that
D．surprising;that
答案
答案：C
搜题请搜索小程序“爱下问搜题”
.The _________ look on his face suggested that he hadn’t expected _________ would happen.
A．surprised;what
B．surprising;what
C．surprised;that
D．surprising;that
答案：C
，当
非常小时，
就可以表示物体在t时刻的瞬时速度，这应用了类比法