混流式水轮机主轴中心孔可用于（）
A、装置操作油管B
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Ifhe____ontouristsforhisbusiness,hewouldhavetoclosehisshop.
"Thelecturerwasatallthinmanwithwhitehair.""Thenit_______Dr.Fellbecauseheisshortandfat.It_____Dr.Jones;heisthin."
Writing：
Astatementgoesthat“onlythroughmistakescantherebediscoveryorprogress”.Towhatdegreedoyouagreewiththisstatement?Writeanessayofabout400words.
Inthefirstpartofyouressayyoushouldstateclearlyyourmainargument,andinthesecondpartyoushouldsupportyourargumentwithappropriatedetails.Inthelastpartyoushouldbringwhatyouhavewrittentoanaturalconclusionormakeasummary.
Youshouldsupplyanappropriatetitleforyouressay.
Markswillbeawardedforcontent,organization,grammarandappropriateness.Failuretofollowtheaboveinstructionsmayresultinalossofmarks.
Onnoaccount____everleavethebabyathomealone.
InfacttheSwedendidnotunderstandthethreequestions____wereaskedinFrench.
