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【判断题】
人造板家具是指家具的主体全部由木材制成,只少量配用一些胶合板等辅料。人造板家具是当今市场家具的主流,且多数为拆装结构。
A.
正确
B.
错误
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参考答案:
举一反三
【简答题】油封常用于滚动轴承部位的密封,唇口对内封油,对外 。
【单选题】According to the passage, when small children were asked to count a pile of red and blue pencils they ______.
A.
counted the number of pencils of each color
B.
guessed at the total number of pencils
C.
counted only the pencils of their favorite color
D.
subtracted the number of red pencils from the number of blue pencils
【单选题】According to the passage, what did small children do when they were asked to count a pile of red and blue pencils?
A.
They counted the number of pencils of each color.
B.
They guessed at the total number of pencils.
C.
They counted only the pencils of their favorite color.
D.
They subtracted the number of red pencils from the number of blue pencils.
【单选题】The corporation expects only___ increases in sales next year despite a yearlong effort to revive its retailing business.
A.
unquestionable
B.
modest
C.
exaggerated
D.
groundless
【简答题】工件以外圆柱面定位时,最常用的定位元件有 、 、 等。
【简答题】工件以外圆柱面定位时,最常用的定位元件有( )、( )、( )等,它们常用作中心定位。
【多选题】工件以外圆柱面定位时,最常用的定位元件有( )。
A.
V形块
B.
心轴
C.
半圆套
D.
定位套
【判断题】单结晶体管的管脚判别,先判断发射极e,再判断基极b1和b2。
A.
正确
B.
错误
【单选题】工件以外圆柱面定位时最常用的定位元件是( )
A.
V形块
B.
定位套
C.
半圆套
【简答题】完成下列各题: 1.大连在中国的东边. Dalian of China. 2.杭州以西湖而闻名. Hangzhou the Westlake. 3.北京是中国的首都. Beijing is China. 4.这个树有10米高. This tree high.
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