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【单选题】
法兰密封件截面尺寸小，质量轻，消耗材料少，且使用简单，安装、拆卸方便，特别是具有良好的密封性能，使用压力可达高压范围，此种密封面形式为（）。A.
凹凸面型
B.
榫槽面型
C.
O型面型
D.
环连接面型
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【单选题】It’s such a good place ______ everybody wants to visit _____ it is well known all over the world .
A.
which , that
B.
as , as
C.
as, that
D.
that , which
【简答题】Lisa Marie wants to learn more about the World War Ⅱ.
【单选题】China will have to consider _____ it wants to be viewed by the rest of the world when it exercises its influence as a major power.
A.
when
B.
how
C.
what
D.
which
【单选题】He wants to play ________ World Cup.
A.
in the next
B.
in next
C.
on the next
D.
on next
【简答题】If a business wants to sell its products (international) ______ , it should do some world market research first.
【简答题】By saying 'I want to be the Microsoft of the charity world', Wood means that he wants to______.
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