肛瘘的主要症状是
A、便血，便秘，脱出C
暂无解析
Whileintegrasedeletesanimmunecell'sgeneticmaterialandreplacesitwithitsown,itactslike________inawordprocessor.
Itisnotuncommonforthere_____problemsofcommunicationbetweentheoldandtheyoung.
Theteachers’union_________alawsuitagainstthedistrictcallingforrepairing“deplorable”schoolconditions.
Thesmallmountainvillagewas（）bythesnowformorethanonemonth.
_____forthefactthatshebrokeherleg,shemighthavepassedtheexam.
