You have to wear special clothing, a helmet and a life jacket ____ your raft gets turned upside down or sinks.

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• 1I wonder if ____ to come over to my family after work.

  A.you are convenient

  B.it is convenient for you

  C.it’s convenient of you

  D.there’s convenient for you

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• 2As I looked at the memorial, I thought about ____ terrible disaster it was for the people in Nanjing then and ____ they were to fight the Japanese invaders.

  A.how, how

  B.what a, how

  C.what, how

  D.how, what

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• 3Television has many advantages. It keeps us ____ of the ____ news and also provides entertainment in the house.

  A.informed, latest

  B.to know, later

  C.learning, latter

  D.to think, latest

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• 4Susan was expecting her favourite singers, but to her disappointment, ____ appeared.

  A.some

  B.none

  C.everyone

  D.no one

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• 5---So I’m going to make the desk myself.---Why ____ instead, if I may ask、

  A.not buy it

  B.don’t buy one

  C.not buy one

  D.don’t buy it

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• 6He has called several times this morning, ____ there is something very urgent.

  A.really

  B.especially

  C.obviously

  D.terribly

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• 7Where did the researchers discover the new species of butterflies、

  A.In Sonora.

  B.In Mexico state.

  C.In a place in US.

  D.Near the US-Mexico border.

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• 8Why will the researchers sell the naming rights of the butterfly、

  A.To raise money for wildlife protection.

  B.To raise money for more research.

  C.To cause people’s attention to the new discovery.

  D.To cover the cost of the research.

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• 9When the butterfly was first discovered, people thought ______.

  A.it was a new species at once

  B.it wasn’t a species of American butterfly

  C.it belonged to the monarch branches

  D.it belonged to a new species

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• 10We can infer from the passage that ______.

  A.the new species of butterfly live both in the US and Mexico

  B.it took the researchers a lot of efforts to determine the new species of butterfly

  C.the researchers are not sure whether they can get the money they want from the auction

  D.it is the first time that the new species of butterfly has been found

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