【单选题】Why does English have such a large vocabulary?
A.
The English like to invent words.
B.
Britain has a long history.
C.
The English has borrowed many from other languages.
D.
The English can stand borrowing words from other languages and stand the changes of their languages.
【单选题】在脊柱横断层面上呈 “ V ”形的韧带是
【单选题】P点为东经116°28′ 北纬0°0′0′′,设赤道平面上1°对应111公里,该点在6度带和3度带的横坐标通用值分别为?(坐标计算到米)
【判断题】只有在负温度梯度条件下,常用纯金属生长都是呈树枝状界面。( )
【判断题】当有功 功率分点和无功功率分点不一致时,应取有功功率分点作为系统的功率分点。 ( )