【单选题】如果(X,×)是幺半群,a是X中的一个元素,那么a^0=?()
【单选题】— Where is the School English Speech Contest going to be held tonight? — I’m not sure. Is it in the hall _____ can hold 300 people?
【多选题】下列情形中不得开具增值税专用发票的是( )
【单选题】Where is the school?
A.
The school is next to the hospital.
B.
The school is on the opposite side of the hospital.
C.
The school is across from the library.
D.
The school is beside the library.
【多选题】下列情形中不得开具增值税专用发票的有( )。
【多选题】下列情形中,不得开具增值税专用发票的有()。
【单选题】Where is the school paper now?
A.
It is framed on the wall.
B.
It is over the fireplace.
D.
It is in the teacher's house.
【判断题】三档辛普森齿轮机构,后排的行星架和前排的齿圈连成一体,称为后行星架和前齿圈组件。
【多选题】詹小婷第三节18 16、金银花丝镶嵌工艺的著名产地是()
【单选题】— Where is the school singing contest going to be held tonight? — I am not sure. Is it in the hall _________ the students often have a meeting? [ ]