已知$\left\{\begin{array}{c}x=2\\ y=1\end{array}\right.$是二元一次方程组$\left\{\begin{array}{c}ax+by=8\\ bx-ay=1\end{array}\right.$的解，则4a﹣5b的平方根为（　　）

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本领— ____         维修— ____        亲切— ____

    One day in the 1 class everyone is busy drawing pictures, but Xiao Ming is doing 2. When the bell rings for break（课间休息）, Xiao Ming gives his 3 to the teacher.

    The teacher looks at it and gets 4. "Why do you give me a piece of paper with nothing on it, Xiao Ming?" 5 the teacher.

    "I'm sorry, sir," says Xiao Ming. "I 6 a dog and some 7 on the paper."

    "Where's the dog and where's the bread?" asks the teacher.

    "I draw the bread 8. When I finish drawing the dog, he9 the bread. When I give it to you, he 10 away," Xiao Ming answers.

某同学在学习晚清政局时对清末“新政”特别感兴趣,但发现下列措施中有一项不在其列,请你帮助选出来(   )