右主支气管与气管中线成多少度角()
A.10~20°
B.20~30°
C.30~40°
D.40~55°
E.50~60°
参考答案:B
Great! They have shirts _____ many colors _____ $10 each.[ ]
A. are; for
B. in; for
C. is; at
D. on; at
保障党员在党内的选举权和被选举权,党的任何组织和任何党员都必须做到哪“五个不得“?