【单选题】The train was crowded and I had to get into a carriage______there were already seven other people.
【判断题】钢加热时获得的奥氏体晶粒越细小,冷却时转变的产物组织也越细小,性能会越好。
【单选题】穴取关元、足三里、下巨虚,针灸并用、施行补法适宜于( )
【单选题】There were no more than seven people living in the house.In the house she found a few things for seven people.
【判断题】蛋白质是动物体内生物活性物质的主要成分。
【判断题】There were running in the garden a group of children aged from seven to twelve. 句子主语是花园
【单选题】共析碳钢加热为奥氏体后,冷却时所形成的组织主要决定于( )。