logo - 刷刷题
下载APP
【简答题】

阅读理解。 Have you ever dreamed of having a fashionable watch of great value? A small watchmaker in Switzerland in 1922 designed the first automatic(自动的)watch to showthe day, month, and date, Only seven of these splendid watches were ever made and these watches werealmost lost to history. Today, it is so hard to get an original(首批的)watch that some watch historiansare even willing to offer $ 200,000 for one. These watches attracted a lot of people for their splendid color, fashionable style, and new uses in the1920s. The owners of the watches were admired and set apart from the crowd. Because the number ofthe original watches is very limited, owning such a watch will make you feel very special. Today, you are offered the same kind of watch with improvement. It has a 24-jewel mechanical(机械的)movement, the kind desired by watch collectors, The watchmaker has made the movement of the watch much more modern with an automatic rotor(上弦装置)so that the watch never needs to be wound by hand. The watch comes in a very beartiful case with a crocodile design on it. To get a watchin such a perfect design to know history and to wear such a watch will show your personal taste and socialposition. You can get the watch either in person or by mail all an affordable price. You will also receive goodservice from the watch seller. If you are not satisfied with the watch after you get it, you may simply returnit within 30 days. Don’t miss the chance to realize your dream. 1. The original automatic watches are valuable because _____. A. the watches were made many years ago B. the watches were made by a Swiss watchmaker C. only rich people can afford the watches D. only a few watches of the kind were made 2. Watch clooectors want to get the improved watch, especially for its _____. A. mechanical movement B. splendid colorC. fashionable style D. new uses 3. The purpose of the passage is to encourage the readers to _____. A. buy the watch B. return the watch C. wear the watch D. receive the service 4. The passage is probably taken from a _____. A. report B. magazine C. text book D. science book

题目标签:机械装置上弦
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【多选题】内燃机械启动后,要()。

A.
查看各个仪表工作是否正常
B.
监听发动机声音有无异响
C.
怠速运转到水温、变速箱油温达到规定温度
D.
匀速运转到水温、变速箱油温达到规定温度

【单选题】在选煤厂中细粒物料的脱水机械不包括()。

A.
立式离心脱水机
B.
真空过滤机
C.
压滤机
D.
加压过滤机

【单选题】使用最多的草坪机械是()。

A.
手动剪草机
B.
汽油发动机剪草机
C.
电动剪草机
D.
卷筒式剪草机

【单选题】关于非独立采暖通风装置,以下哪种说法不正确( )。

A.
采暖通风装置的鼓风机不受发动机转速的影响
B.
采暖通风装置的鼓风机可当作风扇进行室内通风
C.
当把风扇开关拉到“Ⅱ”档位置时,鼓风机上加的电压为蓄电池电压
D.
当把风扇开关拉到“Ⅰ”档位置时,鼓风机上加的电压为发电机的输出电压

【单选题】这是一台什么工程机械?

A.
轮胎式桁架臂起重机
B.
履带式桁架臂起重机
C.
履带式伸缩臂起重机
D.
轮胎式伸缩臂起重机

【多选题】将拱作为张弦结构的上弦构件有何好处?( )

A.
提升结构效率
B.
降低对结构两端支座的承载力要求
C.
优化结构内力
D.
降低结构自重

【单选题】装置在大修后,循环水系统要进行()。

A.
预膜、清洗与水洗
B.
预膜、水洗与清洗
C.
清洗、水洗和预膜
D.
水洗、清洗与预膜
相关题目:
【多选题】内燃机械启动后,要()。
A.
查看各个仪表工作是否正常
B.
监听发动机声音有无异响
C.
怠速运转到水温、变速箱油温达到规定温度
D.
匀速运转到水温、变速箱油温达到规定温度
【单选题】在选煤厂中细粒物料的脱水机械不包括()。
A.
立式离心脱水机
B.
真空过滤机
C.
压滤机
D.
加压过滤机
【单选题】使用最多的草坪机械是()。
A.
手动剪草机
B.
汽油发动机剪草机
C.
电动剪草机
D.
卷筒式剪草机
【单选题】关于非独立采暖通风装置,以下哪种说法不正确( )。
A.
采暖通风装置的鼓风机不受发动机转速的影响
B.
采暖通风装置的鼓风机可当作风扇进行室内通风
C.
当把风扇开关拉到“Ⅱ”档位置时,鼓风机上加的电压为蓄电池电压
D.
当把风扇开关拉到“Ⅰ”档位置时,鼓风机上加的电压为发电机的输出电压
【单选题】这是一台什么工程机械?
A.
轮胎式桁架臂起重机
B.
履带式桁架臂起重机
C.
履带式伸缩臂起重机
D.
轮胎式伸缩臂起重机
【多选题】将拱作为张弦结构的上弦构件有何好处?( )
A.
提升结构效率
B.
降低对结构两端支座的承载力要求
C.
优化结构内力
D.
降低结构自重
【单选题】装置在大修后,循环水系统要进行()。
A.
预膜、清洗与水洗
B.
预膜、水洗与清洗
C.
清洗、水洗和预膜
D.
水洗、清洗与预膜