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【单选题】
“经营单位”栏应填( )A.
辽宁宁海工程有限公司2101240111
B.
辽宁外贸集团公司2101910011
C.
辽宁宁海工程有限公司
D.
大连海通货运有限公司
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【简答题】力是矢量,其三要素是 、方向和作用点,力对一点为矩心的转动效应用 衡量,力的国际单位是 ,力矩的国际单位是 。
【单选题】M :Kate, how do you like this dress? It looks perfect. W: I'm afraid the color is too light. It easily gets dirty, Peter. M: Then how about this one ? W: Great. How much is it ? M: I am not sure, we m...
A.
In an office.
B.
In a bar.
C.
In a restaurant.
D.
In a shop.
【单选题】A: What time is this meeting supposed to begin? B: I' m not sure. I thought it was to start at 7:00 p. m. , but it’s already 7: 20 p. m. . A: ______ B: It’s unlikely that the guest speaker has arrived...
A.
What do you think the problem is?
B.
Don't you know?
C.
Are you sure?
D.
What do we do then?
【简答题】力的三要素是(),(),(),单位为()和KN。
【简答题】I&39;m not sure_____61____ (which)is more frightened, me or the female gorilla(大猩猩）that suddenly appears out of nowhere. I&39;m walking on a path in the forest in the Central African Republic. Unexpec...
【简答题】力偶的三要素是力偶矩的 、 和 。用符号表示力偶矩的单位为 或 。
【简答题】在国际单位制中,力的单位是____,符号为____;力的作用效果跟力的____、____和____有关,它们叫做力的三要素。重力的作用点叫____。
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