一平面简谐波在弹性媒质中传播．当媒质中某质元经过平衡位置时，它的（）
价格杠杆在我国宏观调控中的主要功能是()
Nosooner()hadIreachedhomethanMichaelarrivedwithJaneinhiscar
Studentsshould（）theirowninterestsaswellasdotheirschoolwork.
Whenapersonimmigratestoanothercountry,heshould_(conscious)adapthimselftothenewenvironment
