将下列单词或词组填入空格，每空格限填一词，每个单词或词组只能填一次。

    With such a large rise on mobile phone users around the world over the last 10 years, many people are worried about {#blank#}1{#/blank#} possible problems. For some time, scientists have been thinking that mobile phones could lead to cancer.But so far,there is no strong evidence （证据）for this.

    The Norway Institute of Public Health and the UK 's Health Protection Agency both released some studies last year.They said that there was no link found between mobile phone radiation(辐射) and cancer.

    However, many mobile phone users often {#blank#}2{#/blank#} headaches, dizziness （头晕）and even feeling sick.Last October,a court case （诉讼案件）in Italy said that heavy mobile phone usage had caused brain cancer in one man.

    He had used a mobile phone up to six hours a day for 12 years.

    But the biggest problem with research now is that it is too early to reach conclusions.Mobile phones have only been {#blank#}3{#/blank#} used since the 1990s, and cancers can take many years to develop.

    There is also still a strong argument that mobile phones are a major risk for children."Inner child,small central brain structures are going to be exposed（暴露）,"said Dr.Annie,"Besides,kids have a skell（头盖骨） which is {#blank#}4{#/blank#}.

    There is much more water in their brain, so there are many reasons that they take in more of the same radiation."

    One cold night, it was raining hard. An old couple (夫妇) came to a small hotel and wanted to stay there for the {#blank#}1{#/blank#}. Bill welcomed them warmly, {#blank#}2{#/blank#}said," I'm sorry! Our rooms are all full and the hotels nearby are all full too, for there will be an important meeting tomorrow. "

    Hearing Bill's words, the old couple felt very disappointed, and turned around to leave.

    Just as they were leaving, Bill came {#blank#}3{#/blank#} to them and stopped them. "Madam and sir, if you don't mind, you can sleep in my bedroom for a night…"

    The next morning, the 01d couple took out lots of money to Bill, but he {#blank#}4{#/blank#}"No! You {#blank#}5{#/blank#} pay me any money, for I only lend my room to you," said Bill with a smile {#blank#}6{#/blank#}  his face.

    "It's very {#blank#}7{#/blank#}of you, young man! Maybe one day, I'll build a hotel for you!" said the old man. With these words, the old couple left.

    Several years {#blank#}8{#/blank#} , Bill got a letter from the old couple, inviting him to New York. He met the old couple in front of a five - star hotel.

    "Do you still remember {#blank#}9{#/blank#} I said to you several years ago? Look! This is the hotel that I have built for you!" said the old man. Soon Bill {#blank#}10{#/blank#} the manager of the hotel.

—Yes, they are.

     In the United States, Mother's Day is a holiday on the second Sunday in May. It is a day when children give their mothers{#blank#}1{#/blank#}, presents and flowers.

     One of the best ways to celebrate Mother's Day is to give your mother the day off. Let her{#blank#}2{#/blank#}while other members of the family do the housework.

     Many families begin Mother's Day with breakfast in bed. Usually dad and the children will let mum sleep late as they go into the kitchen and get ready for the favourite meal. A Mother's Day{#blank#}3{#/blank#}can be made of anything your mum likes.

     After the food is cooked, keep everything nice on a plate. Don't forget to put the bottle with only one flower. With spring here, the children can pick up the{#blank#}4{#/blank#}flower from the garden outside. When everything is ready, carefully carry the plate and mum's favourite books or newspapers up to her bedroom. Cards and small presents from the children can be put on the plate{#blank#}5{#/blank#}it is given to mum in bed.

     Many families take mum out to her favourite restaurant for a meal. It is a good day to let your mum rest and let her see what a wonderful family she has.