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【单选题】
以下关于股指期货期现套利的说法，正确的是______。A.
股指期货的理论价格加上交易成本后，成为无套利区间的下界
B.
股指期货的理论价格减去交易成本后，成为无套利区间的上界
C.
当实际期货价格高于无套利区间的上界时，正向套利才能获利
D.
当实际期货价格低于无套利区间的下界时，正向套利才能获利
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【单选题】According to the author, language changes are most likely to occur in______.
A.
grammar
B.
pronunciation
C.
vocabulary
D.
intonation
【单选题】According to the passage lunar researchers have focused mostly on ______.
A.
the possibility of finding water on the Moon
B.
the lunar regolith
C.
cataloging various land formations
D.
craters and their origins
【单选题】Bipolar disorder is characterized by cycling mood changes. Most[y, such changes are gradual.
A.
Y
B.
N
C.
NG
【单选题】关于白细胞核左移，下列叙述哪项较为确切( )
A.
外周血杆状核粒细胞增多，甚至出现晚幼粒、中幼粒、早幼粒、原幼粒等更幼稚细胞为核左移
B.
外周血涂片中出现幼稚细胞称核左移
C.
未成熟的粒细胞出现在外周血中称核左移
D.
分类中发现很多细胞核偏于左侧的粒细胞称核左移
E.
中性粒细胞五叶核以上者超过3%
【单选题】What tends to hurt most is when just one friend changes?
A.
A friendship can undergo a painful change one way or another.
B.
It tends to hurt most when just one friend changes.
【简答题】请将下题进行连线
【单选题】Laba is celebrated on the eighth day of the last lunar month, referring to the _________.
A.
end of the past year
B.
traditional start of celebrations for the Chinese New Year
C.
traditional start of celebrations of a new lunar month
D.
traditional start of celebrations of the last lunar month of the year
【单选题】According to the author，language changes are most likely to occur in__________ ． 查看材料
A.
grammar
B.
pronunciation
C.
vocabulary
D.
intonation
【简答题】Many people are aware of the beauty of a solar eclipse (日食), but are surprised to learn that lunar eclipses are often just as impressive. While total solar eclipse lasts only for a few minutes and can...
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