It is only with the help of scientific research ________ bring PM1 air pollution under control.

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• 1Is it with its charming scenery and a unique culture ________ Lugu Lake impresses people from all over the world?

  A.that

  B.which

  C.where

  D.why

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• 2_____ the two designs, and you will find what problem there is with yours.

  A.comparing

  B.Compared

  C.To compare

  D.Compare

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• 3_____ it is to go swimming in a river in summer!

  A.How fun

  B.How a fun

  C.What a fun

  D.What fun

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• 4_____ for the boy to talk with his mouth full!   

  A.What bad manners they are

  B.How bad manners they are

  C.What bad manners it is

  D.How bad manners it is

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• 5The little boy came riding full speed down the motorway on his bicycle. _____ it was!

  A.What a dangerous scene

  B.What dangerous a scene

  C.How a dangerous scene

  D.How dangerous the scene

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• 6_____ a diary every day, and you'll improve your writing.

  A.Keeping

  B.To keep

  C.Keep

  D.If you keep

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• 7_____ your savings so fast, or you'll end up as a beggar.

  A.Stop to spend

  B.Stop spending

  C.To stop to spend

  D.Stopping spending

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• 8— You can't imagine _______ fantastic fun web chatting is.— Really? But it may cause a lot of trouble sometimes.

  A.what

  B.how

  C.why

  D.so

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• 9— What sport do you like best?      — Springboard diving(跳板跳水).________to dive into water from high board!     

  A.What a fun is it

  B.How fun it is

  C.How a fun is it

  D.What fun it is

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• 10Look!What a________you have made of your dress playing in that dirt!

  A.trouble

  B.design

  C.style

  D.mess

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