单项选择题

A．In words.
B．In numbers.
C．Both in words and in numbers.
D．In none of the above ways.
<上一题 目录 下一题>
热门 试题

单项选择题
Sound waves reflected from a hill can be used to estimate______.
A．height of the hill
B．speed of sound
C．distance of the hill
D．intensity of sound
单项选择题
A．He wants to go to the conference.B．He wants to be welcome.C．He want to see Mr. Jackson.D．He wants to cancel the appointment.
A．He wants to go to the conference.
B．He wants to be welcome.
C．He want to see Mr. Jackson.
D．He wants to cancel the appointment.
相关试题