皮皮学,免费搜题
登录
搜题
【单选题】
奥氏体钢与低碳钢焊接时,若选用的焊条金属合金化程度不够高或者熔合比很大,焊缝金属以及凝固过渡层将容易形成 ( ) 组织。
A.
珠光体
B.
马氏体
C.
D.
莱氏体
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
【多选题】Catalytic hydroprocessing can _________.
A.
remove non-hydrocarbon impurities such as sulphur, nitrogen and metal in order to give acceptable quality for finished products
B.
ncrease the octane number of light crude fractions having high paraffin and naphthene contents by converting them to aromatics
C.
distill crude oil into fractions
D.
convert heavy, low-value oils into lighter, high-value products
【单选题】Which of the following decisions would involve the use of the future value of $1?
A.
Your brother buys your car and offers to pay you $500 now or $1,500 in two years
B.
You win a lawsuit and are offered a lump sum payment today of $100,000 or $15,000 a year for 20 years
C.
Your father and mother wish to deposit enough money on the date of your high school graduation to enable you to take a $7,000 cruise when you graduate from college in 4 years
D.
You want to have $1,000,000 in order to retire at age 55, but need to know how much you will need to deposit each year from now until your 55th birthday
【单选题】因为你在这个群体中的身份地位,而与他人建立的关系称之为_________。
A.
社会关系
B.
家庭关系
C.
权利关系
D.
人际关系
【单选题】RIP 使用什么做为度量 标 准,管理距离是多 少
A.
带宽 , 1 10
B.
跳数 , 1 20
C.
跳数 , 1
D.
延迟 , 1 10
【单选题】某病房患者总数为40人,其中一级护理9人,二级护理16人,三级护理15人。经测定各级护理中每名患者在24小时内所需的平均护理时数分别为5.5小时、3小时、1小时。按一个病房40张床测算一日间接护理所需时间为20小时。如果算上机动编制应实际配置的护理人员数()
A.
20人
B.
19人
C.
18人
D.
17人
E.
16人
【判断题】sometimes the Chinese way of showing modesty may be considered as fishing for compliments.
A.
正确
B.
错误
【多选题】Catalytic hydroprocessing can _________.
A.
remove non-hydrocarbon impurities such as sulphur, nitrogen and metal in order to give acceptable quality for finished products
B.
increase the octane number of light crude fractions having high paraffin and naphthene contents by converting them to aromatics
C.
distill crude oil into fractions
D.
convert heavy, low-value oils into lighter, high-value products
【判断题】巴氏杀菌乳要求杀死全部导致产品变质的微生物。
A.
正确
B.
错误
【多选题】In computer networking a multicast address is an identifier for a group of hosts that have joined amulticast group. Multicast addressing can be used in the Link Layer (OSI Layer 2), such as Ethernet M...
A.
The first 23 bits of the multicast MAC address are 0x01-00-5E. This is a reserved value thatindicates a multicast application
B.
The last 3 bytes (24 bits) of the multicast MAC address are 0x01-00-5E. This is a reservedvalue that indicates a multicast application
C.
To calculate the Layer 2 multicast address, the host maps the last 23 bits of the IP address intothe last 24 bits of the MAC address. The high-order bit is set to 0
D.
The first 3 bytes (24 bits) of the multicast MAC address are 0x01-00-5E. This is a reservedvalue that indicates a multicast application
【判断题】Sometimes the Chinese way of showing modesty may be considered as fishing for compliment.
A.
正确
B.
错误
相关题目: