万级包括______位、______位、______位和______位.
根据数位顺序表,万级包括万位、十万位、百万位和千万位.
故答案为:万,十万,百万,千万.
--- Is that your backpack?
--- __________. It’s my backpack.
A.No, they’re not.
B.Yes, they are.
C.No, it isn’t.
D.Yes, it is.
热疗适用()患者。
A、细菌性结膜炎
B、皮肤湿疹
C、急性腹部疾患
D、瘫痪