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【单选题】

What is the profit margin?

A.
2.72%
B.
5.00%
C.
5.91%
D.
11.00%
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参考答案:
参考解析:
.
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举一反三

【多选题】What are energy security issues in Middle East?

A.
Iran’s nuclear threat
B.
Iran ongoing conflict with the USA
C.
Terror threat of radicals in Saudi Arabia
D.
Gaza strip issues
E.
Wars in Iraq and Afghanistan
F.
Tension between Pakistan and India over Kashmir

【单选题】研究人体不同层面上各器官的形态结构、位置毗邻关系的科学是( )

A.
系统解剖学
B.
局部解剖学
C.
断层解剖学
D.
X线解剖学
E.
微体解剖学

【单选题】what is the third profit source?

A.
technology
B.
raw materials
C.
logistics
D.
labor