—Yes, ____.
A:I'd love
B:I would
C:I like
D:I'd love to
He turned from side to side, eyeing himself in the mirror with a serious, studied ______ that soon changed into a smile.
“水立方”国家游泳中心是北京为2008年夏季奥运会修建的主游泳馆.水立方游泳馆共有8条泳道的国际标准比赛用游泳池,游泳池长50 m、宽25 m、水深3 m.设水的摩尔质量为M=1.8×10-2kg/mol,试估算该游泳池中水分子数.