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更多“设A={1，2}，B={a,b,c}，则A×B的元素个数为8．（）”相关的问题
A、f = {< 1,a >,< 2,b >,< 3,c >,< 4,a >}
B、f = {< 1,a >,< 2,b >,< 3,c >}
C、f = {< 1,a >,< 2,b >,< 3,a >,< 4,b >}
D、f = {< 1,a >,< 1,b >,< 1,c >}
Moving to a different city may seem difficult.You have to change schools and get used to your new home.But you can always go back to that city to visit.When you move to another country, things are different.However, difficult as it may be, the experience can be rewarding.
My dad, a Brazilian, is really funny and can make friends quickly.My mom, a Swiss, is usually quiet and a bit shy.She likes to be organized, but my dad never makes plans.She enjoys staying home, but my dad always wants to go out.Swiss and Brazilian---what a mix!
After my parents got married, they moved to Switzerlan
D.There they had my brother and me.When I was two, we moved to Brazil.During my childhood we visited Switzerland every year.
Many people ask me where I prefer to live: Brazil or Switzerlan
D.It’s really hard to answer because I love both countries.Brazil is a big country with many states and people.There are multiple dialects and many types of foods.People here have beautiful smiles and are always happy, even if they are poor.In the south the climate is cool, but in the north it’s hot and humi
D.
Switzerland, on the other hand, is small but beautiful and clean.There are four languages in that tiny country.People there are very different from Brazilians: they are wealthy, independent, and organize
D.The food is delicious, and of course, the famous Swiss chocolate is great, and the climate is dry and cool.
I love both countries.In Switzerland, it's pleasant, calm, and peaceful everywhere.I enjoyed my stay there very much.But now I am happy here in Brazil, I feel excited and at home.
11.The author’s parents______
A.share similar interests
B.have different jobs
C.have different personalities
D.enjoy reading books
12.When the author was a child, the family used to______.
A.have many good friends
B.move between the two countries
C.speak two dialects
D.visit Brazil from time to time
13.The author thinks Brazilians are______,
A.organized
B.independent
C.indifferent
D.optimistic
14.According to the text, Switzerland_______.
A.is famous for its chocolate
B.has many big cities
C.has a lot in common with Brazil
D.is hot and humid
15.According to the author, living in two different cultures is a(n)_______.
A.appealing idea
B.difficult decision
C.expensive choice
D.pleasant experience
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个从A到B的关系。
