【单选题】The London Home for Lost Dogs is a place where ______ .
A.
people can find beautiful dogs
B.
policemen can find good dogs
C.
lost dogs are kept for sale
D.
people can find their lost dogs
【判断题】蜗杆传动中蜗轮因为尺寸大,所以转速要比蜗杆大的多。
【简答题】Where was the wallet probably lost? It may be lost ______ during the trip.
【单选题】Where was it ______ you lost your wallet?
【单选题】上止血带后应每隔()放松一次,每次放松时间应()
【单选题】I don't know______ he lost his gold watch yesterday.
【简答题】The police asked the (village) ______ where he found the lost child.
【单选题】以下哪种组织结构中分布着触觉和痛觉感受器