皮皮学，免费搜题
登录
搜题
【简答题】
固定管板式换热器中温差应力是如何产生的？有哪些补偿温差应力的措施？
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】We can infer from the second and third paragraphs that in the 21st century______.
A.
all information is free
B.
digital economy has been the most important
C.
the real 'free' commodity finally shows up
D.
a free cell phone does not exist any more
【单选题】某钢尺名义长度为30m,检定时的实际长度为30.012m,用其丈量了一段23.586m的距离,则尺长改正数应为( )。
A.
-0.012m
B.
0.012m
C.
-0.009m
D.
0.009m
【单选题】某钢尺名义长度为 30m ,检定时的实际长度为 30.012 米,用其丈量了一段 23.586m 的距离,则尺长改正数应为
A.
–0.012m
B.
–0.009m
C.
0.009m
D.
0.012m
【单选题】'They' in the second line of the last paragraph refers to
A.
old New England fences.
B.
the stretch of walled fields.
C.
the expedition members.
D.
ancient villages.
【单选题】某钢尺名义长度为 30m ,检定时的实际长度为 30.012 米,用其丈量了一段 23.586m 的距离,则尺长改正数应为
A.
–0.012m
B.
-0.009
C.
0.009
D.
0.012
【单选题】The word ‘work’in the second line of the last paragraph most probably means.
A.
what a student has written at school
B.
what a student has learned at school
C.
what a student has read at school
D.
what a student has achieved academically
【单选题】In the second sentence of Paragraph 1, 'all this' refers to
A.
the habit of napping.
B.
the standardizing of work hours.
C.
the decline of the siesta tradition.
D.
the growth of global capitalism.
【简答题】请翻译划线部分内容 Since 1750 , the world has seen four industrial revolutions. The first one took place in Britain; and China missed the boat . The second one occurred in the latter half of the 19th century; ...
【单选题】某钢尺名义长度为30m,检定时的实际长度为012米,用其丈量了一段23.586m的距离,则尺长改正数应为
A.
–0.012m
B.
–0.009m
C.
0.009m
D.
0.012m
相关题目：
参考解析：
知识点：
题目纠错 0
发布
