The most important person in the world is your mother. She looks after you all the {#blank#}1{#/blank#} .On cold winter days, she always tells you {#blank#}2{#/blank#}on more clothes. She always stands in the wind waiting for you back from school every day. When you hurry to leave home for school without breakfast, she always feels {#blank#}3{#/blank#} about you at home. She knows about your study and spends much money {#blank#}4{#/blank#} your school things. Mother can do everything for you day after day. What {#blank#}5{#/blank#} love that is in the world! We'll always remember mother love.

请根据句意从方框中选择合适的动词，并用其适当时态填空，使句子通顺。

    What will life be like after 200 years? Teachers won't{#blank#}1{#/blank#}on the blackboard with{#blank#}2{#/blank#}in the future. Students won't do their homework on{#blank#}3{#/blank#}, and we won't draw a line (线) with a {#blank#}4{#/blank#}. At that time, every student will study {#blank#}5{#/blank#}the computers.

    Why do you think people who live in some hot countries eat very spicy(辛辣的)food？Is it because the spices(调味品)make the food taste better？Is it just because their parents and grandparents and great-grandparents liked hot food, or is there some{#blank#}1{#/blank#}between spices and healthy food？

    Researchers from Cornell University think that it is because spice plants have some important chemicals. These chemicals can kill bacteria which spoil food.

    "Most common spices can kill 75 to 100{#blank#}2{#/blank#}of the bacteria in food, "explains one of the scientists. The bacteria grow more{#blank#}3{#/blank#}and spoil food more quickly at higher temperatures. For this reason, it is more difficult to keep food from spoiling in hot climates.

    Do you like your food spicy？You answer probably tells something about the country you come from. If you like spicy food, it is possible that hundreds of years ago, when there were no fridge, people in your country started using spices to keep the food from spoiling. The traditional spicy dishes helped those people to live{#blank#}4{#/blank#}, healthier lives. Today, in a time of fridges, the spices just make the food taste good.