A:look it up
B:pick it up
C:look them up
D:pick them up
根据首字母或括号中所给词的提示写出单词。
诗人杜荀鹤在《送蜀客游维扬》中写道:“见说西川景物繁,维扬景物胜西川”。唐人卢求在《益州记序》中也写道:“大凡今之报名镇,为天下第一者,曰扬、益。以扬为首,盖声势也。”引文反映了
一个圆锥的母线长为10,侧面展开图是半圆,则这个圆锥的高是( )
Some students spend ________ time on the Internet. They forget to study, eat and sleep. They can't even communicate with people in real life.