按照SOLAS公約規(guī)定，下列敘述正確的是()。①對于每一獨立螺旋槳，其遙控應(yīng)由一個單一的控制裝置來執(zhí)行；②主推進(jìn)器應(yīng)備有能在駕駛窒緊急停機(jī)的裝置，該裝囂應(yīng)獨立于駕駛室控制系統(tǒng)；③駕駛室和機(jī)器處所之間的控制轉(zhuǎn)換應(yīng)能在駕駛室進(jìn)行；④自動遙控系統(tǒng)的設(shè)計是應(yīng)使其發(fā)生故障能發(fā)出警報。
A、①②③④C
暫無解析
Wecannot_____presententertainanyfreshordersforYoungerBrandMen'sShirts.()
NeitherEnglishnorChinese________difficulttolearn.
Thereisalwaysareadymarket____SewingMachines,providedtheyare___goodqualityandcompetitiveinprice.
Wecannotentertainyoursuggestion________itdoesnotseemworkable.()
______ofasentencedependsonthecontextinwhichthesentenceisuttered.
