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【单选题】
保证金制度，就是指在期货交易中，任何交易者必须按其所买入或者卖出期货合约价值的一定交纳资金，这个比例通常在( )A.
3%-5%
B.
3%-8%
C.
5%-10%
D.
10%-15%
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【简答题】我国是统一的多民族国家,采用( )的国家结构形式。 A复合制 B、联合制 C、单一制 D、联邦制A. 复合制 B. 联合制 C. 单一制 D. 联邦制
【单选题】__________ the poem a second time, the meaning will become clearer to you. [ ]
A.
Your having read
B.
While reading
C.
If reading
D.
When you read
【单选题】听力原文：W: I wish Susie would stop reciting that poem. I've heard her repeat it hundreds of times. M: At least that much. I used to really like Whitman's poems until I had to listen to her over and over ...
A.
They are tired of hearing the poem.
B.
They are very excited to hear Whitman's poems.
C.
Susie is one of their favorite.
D.
They want to listen to Susie's recitation of the poem.
【单选题】This poem depicts the beautiful scenery of a small town in the South.
A.
describes
B.
draws
C.
writes
D.
introduces
【单选题】Though the poem is well-known, no one has yet been able to ________its author.
A.
render
B.
glare
C.
confide
D.
trace
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