皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
GB150-2011中内压圆筒计算公式δ=P c D i /(2[σ] t φ-p c )的理论依据是 ,公式的适用范围计算压力 P c ≤ Mpa。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】阅读理解 Life is like the four seasons. Now I am very old, but when I was young. it was the spring of my life. I was born, I played a lot, and then I started school.  I learned many new things. Like a flo...
【单选题】()是企业与企业之间通过互联网进行产品、服务及信息的交易。
A.
B2C
B.
B2B
C.
C2C
D.
B2G
【单选题】敦煌的医学校有几位博士
A.
一位
B.
两位
C.
三位
D.
四位
【单选题】听力原文:Don't you worry about the coming examination, it's still 2 weeks away. Like the old saying goes 'Don't cross the bridge until you get to it'. (26)
A.
The exam is coming quickly, let's get ready for it.
B.
The bridge is dangerous, don't walk on it.
C.
Don't think too much of the approaching test, we may deal with it later.
D.
The coming examination worries me and I don't want to cross the bridge.
【简答题】(9分) (1)按下列要求选择序号填空。 A. CH 4 B.2Fe 3+ C .CO 3 2- D.3O 3 E.OH - F.C 2 H 5 OH G.3O 2 H. 2Fe 2+ ①两个亚铁离子____________ ;       ②天然气的主要成分__________ ; ③纯碱中的阴离子__________ ;       ④ 3个氧分子____ _________。 ⑵下图是某粒子...
【单选题】—How do you like the shoes? —They are beautiful, and they fit me well. I like them very much. [     ]
A.
Or
B.
So
C.
But
D.
Since
【单选题】I didn’t like the story, ______ , it’s too long, also it was written by a writer I don’t know
A.
for one thing
B.
for a thing
C.
although
D.
in one hand
【单选题】I like the style of his writing but I don't like the _______________. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
contain
B.
contest
C.
content
D.
context prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
【单选题】I like the taste of hot chips.
A.
Subjective
B.
Objective
C.
s
D.
o
【单选题】企业与企业之间通过互联网进行产品、服务及信息交换的电子商务模式是
A.
O2O
B.
B2C
C.
B2B
D.
C2B
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题