【判断题】双离合自动变速器省略了多个换档用的制动器和离合器,增加了密封件和漏油点。
【判断题】瓷器茶具按色泽不同可分为白瓷、青瓷和黑瓷茶具等。()
【判断题】瓷器茶具按色泽不同可分为白瓷、青瓷和玉瓷茶具等。
【多选题】下列选项中,不属于经纬仪观测误差的是( )。
【单选题】将 0.900 g 某物质溶于 60.0 g 水中,使溶液的凝固点降低了 0.150 °C,这物质的分子量是(水的 K f = 1.86 K · Kg · mol -1 ) :
【单选题】将0.900g某物质溶于60.0g水中,使溶液的凝固点降低了0.150 ℃,这物质的相对分子质量是(水的Kf=1.86K·kg·【图片】)
【单选题】将0.900g某物质溶于60.0g水中,使溶液的凝固点降低了0.150°C,这物质的相对分子质量是(水的Kf=1.86K·kg·mol-1)
【单选题】A sailing vessel is overtaking a power-driven vessel in a narrow channel,so as to pass on the power-driven vessel’s port side. The overtaken vessel will have to move to facilitate passage. The sailing...
A.
stand-on vessel and would sound two short blasts
B.
give-way vessel and would sound no whistle signal
C.
stand-on vessel and would sound no whistle signal
D.
give-way vessel and would sound two prolonged blasts followed by two short blasts
【单选题】瓷器茶具按色泽不同可分为 ( ) 茶具等