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【单选题】
从交易头寸来看，期货市场上的投机者可以分为（ ）。A.
多头投机者和空头投机者
B.
机构投机者和个人投机者
C.
当日交易者和抢帽子者
D.
长线交易者和短线交易者
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反馈参考答案：
举一反三
【简答题】A．Explain why they could not pay out all accounts. B．Pay out accounts as requested. C．Make the s believe that the bank was sound. D．Pay out money as slowly as possible.
【简答题】(5分),根据图2-4所示的润滑系机油滤清的示意图,请回答下列问题: (1)写出图2-4中1、2所示元件的名称。 (2)(a)图和(b)图哪个为全流过滤式? (3)写出(a)图中3所示元件的名称及作用。
【简答题】融合蛋白(fused protein)
【单选题】Why could many looters run away?
A.
The police could not see them in the dark.
B.
Policemen did not have guns.
C.
They could hide in the shop.
D.
There were not enough policemen to catch them all.
【单选题】Try the new cleaner．Just a few minutes every day—that’s all it takes—______you could have shining floors and furniture．
A.
and
B.
but
C.
or
D.
so
【简答题】如图为一对轴承支承的轴系,齿轮油润滑,轴承脂润滑,轴端装联轴器。(9分) (1)根据所提示错误之内容,在括号中注写错误处序号: 轴长于联轴器的轮毂长度 ( ) 轴承盖上无密封装置(与轴之间无间隙) ( ) 箱体内侧无挡油环 ( ) 左轴承轴颈加工面太长(装拆不便) ( ) (2)按键宽配合的松紧程度,该平键连接属 键连接。 (3)从外形来分析,该轴为 。 (4)该轴的支承轴颈直径应根据 确定; (...
【简答题】融合基因(fused gene)
【多选题】(亚马逊)(多选)以下类目需要通过分类审核的是?( )
A.
Jewelry
B.
Watches
C.
Entertainment Collectibles
D.
Home & Kitchen
【单选题】听力原文：We really could not understand why he turned all the job offers down when he was approached by three well-known companies. (29)
A.
He has worked for three companies.
B.
Three companies turned him down.
C.
He decided not to accept several job offers.
D.
His companies could not understand his position.
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