装设接地线必须先接导体端,后接接地端。
参考答案:错
My sister has two skirts. One is yellow, ______ is black.[ ]
A.other
B. another
C. others
D. the other
标准篮球场长()米、宽()米、3分线半径()米。标准排球场长()米、宽()米。