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【单选题】
防火墙主要分为网络层防火墙和 ( ) 两个类型。A.
物理层防火墙
B.
应用层防火墙
C.
会话层防火墙
D.
传输层防火墙
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举一反三
【单选题】The girl found it difficult to ______ to new customs when she first came to Shanghai.
A.
adapt
B.
adopt
C.
change
D.
shift
【简答题】Believe it or not, when first (introduce) ______ to Europe, tomato was thought to be poisonous.
【单选题】Of course I will help when Dee goes to see her first movie. (Para. 8) . I would certainly like to be on hand when Dee goes to see her first movie.
A.
I would be very glad to accompany Dee when she goes to see her first movie
B.
I would certainly like to be on hand when Dee goes to see her first movie.
【简答题】Believe it or not, when first (introduce) ______ to Europe, tomato was thought to be poisonous.
【单选题】When first ________ to the market, the computer software ． was not a success due to its complexity in operation.
A.
introducing
B.
being introduced
C.
introduced
D.
to be introduced
【单选题】When Europeans first came to Africa, they were amazed to find that many Africans had more than one wife. Because of this practice, many people thought that African men treated women like waves. But th...
A.
interesting
B.
satisfied
C.
surprised
D.
shocked
【简答题】在饼层过滤中，真正发挥拦截颗粒作用的主要是( )而不是( )。
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【简答题】Believe it or not, when first (introduce) ______ to Europe, tomato was thought to be poisonous.
【简答题】Believe it or not, when first (introduce) ______ to Europe, tomato was thought to be poisonous.
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