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【简答题】
对产生严重职业病危害的作业岗位，应当在其醒目位置，设置警示标识和英文警示说明。()
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【单选题】The International Oil Pollution Prevention Certificate is valid for a period of ______. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
one year from the date of issue
B.
four years from the date of issue prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
three years from the date of issue
D.
five years from the date of issue prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】IOＣ members stand for______.
A.
themselves
B.
their own country
C.
the International Olympic Committee
D.
nothing
【单选题】Taobao．com has begun selling tickets online for international flights， to cut the market share of Ctrip．corn and other competitors．
A.
to aim
B.
having aimed
C.
aiming
D.
being aimed
【简答题】在无缝线路上拨道时，拨道量的上挑与下压要（），避免出现附加拉应力和压应力，影响无缝线路的稳定。
【单选题】Taobao.com has begun selling tickets online for international flights, ______ to cut the market share of Ctrip.com and other competitors.
A.
to aim
B.
having aimed
C.
aiming
D.
being aimed
【简答题】为什么Google Glass、Segway、Amazon Fire Phone都失败了?
【多选题】An international freight forwarder should be familiar with（ ）.
A.
international trade routes
B.
location of ports
C.
pattern of international trade
D.
provisions of the letter of credit
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