使用 let num=数值1符号数值2eg: let num5=4%3echo $num5
查看答案
力对点之矩在通过该点的任意轴上的投影,等于力对该轴之矩。
A. 对
B. 错
She and her family bicycle to work, _________ helps them keep fit.
Kae, _________sister I shared a room with when we were at college, has gone to work in Australia.A. whom B. thatC. whose D. her
Self-driving is an area _______ China and the rest of the world are on the same starting line.A. thatB. whereC. whichD. when