组成脑干的神经系统结构是
ABD
脑干包括延脑、桥脑和中脑。本题选ABD。
________(fail)severaltimes,theyneedsomeencouragement.
Theboyranoutoftheclassroomwithouttheteacher's_______.
“Haveyoumovedintothenewflat?”“Notyet.Therooms________(paint).”
Thewealthofacountryshouldbemeasured________thehealthandhappinessofitspeopleaswellasthematerialgoodsitcanproduce.
Theenginehasbrokenandtheboatis______onthewater.