阅读下面短文,在空白处填入一个适当的单词或括号内单词的正确形式。Cui Chenxi is a student in a middle school. When he was preparing lessons before class, he noticed a mistake. In one of the pictures, there is a"hoverfly(食蚜蝇)", and there is a word under {#blank#}1{#/blank#} picture to describe it. But the word is"bee" .
Cui reported the mistake to the textbook's publisher(出版商)and {#blank#}2{#/blank#}(quick)got a reply. The publisher confirmed(确认)the mistake after {#blank#}3{#/blank#} (ask)a biology teacher. They said they would correct the mistake. Besides, the publisher thanked the 12-year-old boy for reporting the mistake, and praised {#blank#}4{#/blank#} (he)for being "really professional" .
When asked how he {#blank#}5{#/blank#}(discover)the mistake, Cui said, "It's simple. Bees have two pairs of {#blank#}6{#/blank#} (wing)while hoverflies have only one pair. What's more, bees' tentacles(触须)are clear to see while those of hoverflies are difficult to see. "
According to Cui's mother, the boy shows a great interest {#blank#}7{#/blank#}biology. He raised 10 types of ants in his school in order to find the insects' habits and understand how the insects work.
To our surprise, hundreds of books about natural science {#blank#}8{#/blank#}(keep)in his family. And Cui has a bookshelf of his own. {#blank#}9{#/blank#} Cui needs to do lots of sports and join in after-class activities, he still spends more than one hour reading natural science books everyday. He is {#blank#}10{#/blank#} (please)to learn what he loves.