【单选题】—___________?Kate,you look pale. —Oh,thank you,it doesn’t matter.
【判断题】活塞销用来链接活塞和连杆,并把活塞所受的力传给连杆。
【判断题】活塞销用来连接活塞和连杆,并把活塞所受的力传给连杆。( )
【判断题】活塞销用来连接活塞和连杆,并把活塞所受的力传给连杆
【单选题】—What’s up? You look so puzzled. —I remember______ off the light. But I don’t know why it’s still on now.
【简答题】用来连接活塞和连杆,并把活塞所受的力传给连杆。
【单选题】—What’s up? You look down. —I have piles of papers ______, but I type so slowly.