单项选择题

张拉时预应力筋的理论伸长值与实际伸长值的误差为（）。

A．+10%～-10%
B．+10%～-5%
C．+5%～-10%
D．+5%～-5%

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托收项下进口押汇和进口T/T押汇方式下，押汇行不承担第一性付款责任。（）

答案：正确

单项选择题

What does "a global citizen" mean?

A．To identify with an ever-growing global community
B．All of the above
C．To believe that all people are equal regardless of their races or religions
D．To actively contribute to positive growth within the community