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【多选题】
当( )时,国内商品期货交易所可以根据市场风险调整其交易保证。
A.
临近交割期
B.
连续数个交易日的累计涨跌幅达到一定水平
C.
持仓量达到一定水平
D.
遇国家法定长假
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参考答案:
举一反三
【多选题】有檩体系屋盖有什么特 点?
A.
屋面材料轻
B.
整体性
C.
刚度差些
D.
构造较复杂
【判断题】That night Porter read through company literature and discovered the products were guaranteed
A.
正确
B.
错误
【单选题】下列农药残留危害的说法中,错误的是
A.
有机磷农药有迟发性神经毒性
B.
氨基甲酸酯类农药是可逆性胆碱酯酶抑制剂
C.
拟除虫菊酯属于中等毒或低毒
D.
除草剂在农作物的收获期使用,危害性较大
E.
多种农药混配使用可提高药效,延缓昆虫和杂草产生抗药性,但有时可使毒性增强
【单选题】Night-shift workers are those who ______.
A.
have to pay on their internal clock
B.
need to re-adjust their clock
C.
fall asleep late at night
D.
have to work at night
【单选题】IPv6地址中不包括下列哪种类型的地址?
A.
A. 单播地址
B.
组播地址
C.
广播地址
D.
任播地址
【简答题】That night Porter read through company literature and discovered the
【单选题】If you’re sitting around a lonely campfire at night, the howl of a wolf can sound pretty ______.
A.
fearful
B.
threatening
C.
dreadful
D.
frightening
【判断题】英国《卫报》是全球第一个成立数字新闻部的报纸。
A.
正确
B.
错误
【单选题】We're talking about the piano and the pianist _____ were in the concert we attended last night. [     ]
A.
which
B.
whom
C.
who
D.
that
【单选题】听力原文: Good evening, ladies and gentlemen. This is your re porter, Erin Brown, with the latest news about the oil spill at Seaview Beach. When volunteers were asked to come and help clean up the oil, a...
A.
A specialist in oil-spill prevention.
B.
A TV reporter.
C.
An oil company technician.
D.
The head of the oil company.
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