胶结充填体中的二次掘进,应待胶结充填体达到规定的养护期和强度后方准进行,同时应架设可靠的支护
1、正确正确
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I'dliketoremindyouthatthereisno_____onthepartofsuspectstoanswerquestions.
重型腹泻不同于轻型腹泻最主要的是（）
Studentsshould_____theirowninterestsaswellasdotheirschoolwork.
Thegirlwhofoundtheringreceivedagenerous_____offivepounds.
重写句子：Fossilfuelsarenon-renewable.Weneedtofindalternativeenergysources.(compoundsentence)
