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【多选题】
关于图样的比例,正确的说法有:
A.
1 : 1 是原值比例
B.
2 : 1 是放大比例
C.
2 : 1 是缩小比例
D.
1 : 2 是缩小比例
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皮皮学刷刷变学霸
举一反三
【单选题】进刀退刀路线:是为了防止( )、碰撞和飞边在切入前和切出后设置的引入到切入点和从切出点引出的线。
A.
过切
B.
少切
C.
加工
D.
移动
【单选题】Jim was waiting for his friend him.
A.
to help
B.
help
C.
helping
【判断题】His friend told him that a man would make a move and sell a clock.
A.
正确
B.
错误
【判断题】The call Haley received from his friend to offer him a fixed income helped him out of poverty.
A.
正确
B.
错误
【单选题】在封闭条件下,一个经济社会生产均衡的条件是( )。
A.
MRT = P X /P Y
B.
MRS = P X /P Y
C.
X C =X P , Y C =Y P
D.
P X ( X C -X P ) = P Y ( Y P -Y C )
【单选题】fare box的含义是
A.
废票箱
B.
轨道
C.
交通
D.
长度
【单选题】His friend ( ) him a job at his company.
A.
barbucued
B.
exchanged
C.
offered
D.
shook
【单选题】为治热性呕逆之要药的是()
A.
半夏
B.
竹沥
C.
竹茹
D.
白前
E.
瓜蒌
【单选题】为治热性呕逆之要药的是:
A.
半夏
B.
竹沥
C.
白前
D.
竹茹
【单选题】Who honored him with his portrait?
A.
A well-known artist.
B.
Parliament.
C.
His friend.