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问题 解答题

学校要买一些笔记本，买9元一本的需要l035元．如果买同样多的笔记本，改买12元一本的要用多少元？

答案

1035÷9×12，

=115×12，

=1380（元），

答：改买12元一本的要用1380元．

阅读理解

根据短文内容，判断句子的正（T）误（F）。

     Mr Brown likes to be exact. One day when he took a walk in the street, a man came up and asked

him the way to the bookshop. He said to him, "Cross the bridge and turn to the right. "The man asked

again," Is the bridge very long?" "Only thirty meters long." The man thanked him and went to the bridge.  

Suddenly he heard a man running after him. "Stop!" Mr Brown said to the man. "I'm sorry.  I forget the

bridge is forty meters long.  If you walk thirty meters long and turn to the right, you will fall into the river."

( )1. Mr Brown likes going to the bookshop.

( )2. The bookshop is on the other side of the river.

(     )3. The bridge is forty meters long.

(     )4. Mr Brown ran after the man to tell him how long the bridge is exactly.

(     )5. The man would fall into the river if Mr Brown didn't tell him how long the bridge was.
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单项选择题

检查喷油泵的进、出油阀，如有泄漏，（）。

A.不可研磨

B.可研磨修复

C.不可调整

D.不可修复
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