水管锅炉在锅筒的外面设置了很多根管子，通常这些管子的上端会与_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

水管锅炉在锅筒的外面设置了很多根管子，通常这些管子的上端会与()相连接。

A.集箱

B.省煤气

C.锅筒

D.蒸汽过热器

答案

参考答案：C

填空题

阅读下面的短文，从所给的单词中选择合适的单词补全短文。

take bus on have minutes next west has post office
newspaper museum his get her post card

         I             a cousin.             name is Willy.             Sunday is his birthday. I am going to send him a
           . So I am going to the             this afternoon. It's             of the museum. I can get there by the No. 25
           .              off at the             . Walk south for five             .

解答题

一种压路机的前轮直径是1.5米，每分钟转8圈，压路机每分钟前进多少米？