皮皮学，免费搜题
登录
搜题
【简答题】
化工管路中, 对于要求强度高、 密封性能好 、能拆卸的管路,通常采用( )。 A. 承插连接 B. 法兰连接 C. 焊接 D. 螺纹连接
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】“Although the veracity of the story cannot be confirmed, legend has it that in A.D. 1500 a man named Wan Hu prepared his own mission to the stars.” Which of the following best paraphrases this sentenc...
A.
Although the truthfulness of the story is hard to confirm, Wan Hu has made a legendary breakthrough by building his own flying machine into the sky.
B.
Wan Hu’s experience of inventing an early mode of flying machine has been passed down as a legend, despite the fact that nobody can make sure it was a real story in history.
C.
Although no one can confirm whether it was true, there is a saying that Wan Hu has flied to the starts successfully.
D.
In A.D. 1500 Wan Hu didn’t expect he would become a legend just because he had prepared the mission to stars.
【单选题】Staff Profile: Dr. Green Joseph Green, professor of chemical engineering, is an expert on interfacial processes, particularly on the development and application of x-ray scattering techniques for on-s...
A.
He occasionally works as an advisor for private corporations.
B.
He has spent his entire career studying mineral- fluid interfaces.
C.
He received his graduate and undergraduate degrees from the same university.
D.
He began working at Staunton University shortly after obtaining his doctorate.
【单选题】I ______ my son ______ a doctor, but he wasn't good enough at chemistry. [ ]
A.
had hoped; would become
B.
had hoped; to be
C.
hoped; would become
D.
hoped; to be
【单选题】乙公司6月初A．材料结存600公斤，单价为80元；6月10日和25日分别购买A．材料500公斤、500公斤，单价分别为82元和85元；6月12日和6月28日分别领用A．材料400公斤、500公斤；6月30日盘亏A．材料10公斤，单价为80元。采用加权平均法核算发出存货成本，计算A．材料期末结存金额为（ ）元。 A．56709.38
B.
65718.87
C.
56718.87
D.
65709.38
【单选题】根据以下内容，回答下列各题。 Cars are an important part of life in the United States. Without a car most people feel that they are poor.And even if a person is poor he doesn t feel really poor when he had a car. He...
A.
have no job
B.
have no food
C.
have no money
D.
have no car
【简答题】10月6日，购入B材料，价款10000元，进项增值税1700元，款项通过银行支付。
相关题目：