皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【简答题】
电焊条T422的符号含义：T表示（），42表示焊缝金属抗拉强度不低于（），2表示焊条药钛钙型接交直流电。
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
【单选题】The underlined part in 'The colder water made the divers worse at simple arithmetic and other mental tasks' is a(n) ______.
A.
object
B.
direct object
C.
indirect object
D.
object complement
查看完整题目与答案
【单选题】For hundreds of years, pearl divers have gathered pearls directly from mollusks on the seafloor. This is an extremely risky profession, exposing the divers to risks of drowning, air embolism, and shar...
A.
Shark attacks on pearl divers have decreased steadily over the last three decades because of declining shark populations.
B.
Cultured pearls are generally considered more beautiful than those made by artificial means.
C.
Robotic pearl harvesters can gather pearls faster and at less cost than human divers, although they may disturb aquatic communities.
D.
Part of the value of cultured pearls derives from the exotic way in which they are obtained.
E.
With the proper equipment and training, a diver employing scuba gear can harvest three times as many pearls per hour as can a free air diver.
查看完整题目与答案
【判断题】栈是一种 “先进先出”的数据结构。
A.
正确
B.
错误
查看完整题目与答案
【单选题】According to Paragraph 6, why is manual uprooting a difficult process?
A.
It requires divers to undergo strenuous training.
B.
The algae's roots are usually too strong to pull out.
C.
It is necessary to remove every last piece of algae.
D.
The algae grow back faster than they can be removed.
查看完整题目与答案
【单选题】根据哈罗德的定义,有保证的增长率G W 与实际增长率G之间可能有的关系是( )
A.
G W >G
B.
G W =G
C.
G W
D.
以上各项均可能
查看完整题目与答案
【简答题】In 194the US anthropology student concluded that the Siriono Why did the divers perform. less well in colder conditions? A．They were less able to concentrate. B．Their body temperature fell too quickly...
查看完整题目与答案
【单选题】The manufacture of rubber breathing pipes made it possible for divers______on the surface of the water.
A.
float
B.
floating
C.
to float
D.
to be floated
查看完整题目与答案
【简答题】The journey two divers made some time ago to the very deepest point on the earth makes us realize how much of the world still remains to be studied. The two men went down seven miles to the bottom of ...
查看完整题目与答案
【单选题】The deeper divers goes down in the sea,
A.
the wanner the sea becomes
B.
the colder they find the sea is
C.
the less the water above presses down
D.
the heavier their clothes must be
查看完整题目与答案
【单选题】有保证的增长率G w 和自然增长率G n 的区别在于（）。
A.
G w 假定资本与劳动的比率不断提高，而G n 没有；
B.
G w 以充分就业为前提，而G n 没有；
C.
G w 随各种因素的变化而变化，是不稳定的增长率，而G n 是比较稳定的增长率；
D.
G w 一定小于G n
查看完整题目与答案
相关题目：
【单选题】The underlined part in 'The colder water made the divers worse at simple arithmetic and other mental tasks' is a(n) ______.
A.
object
B.
direct object
C.
indirect object
D.
object complement
查看完整题目与答案
【单选题】For hundreds of years, pearl divers have gathered pearls directly from mollusks on the seafloor. This is an extremely risky profession, exposing the divers to risks of drowning, air embolism, and shar...
A.
Shark attacks on pearl divers have decreased steadily over the last three decades because of declining shark populations.
B.
Cultured pearls are generally considered more beautiful than those made by artificial means.
C.
Robotic pearl harvesters can gather pearls faster and at less cost than human divers, although they may disturb aquatic communities.
D.
Part of the value of cultured pearls derives from the exotic way in which they are obtained.
E.
With the proper equipment and training, a diver employing scuba gear can harvest three times as many pearls per hour as can a free air diver.
查看完整题目与答案
【判断题】栈是一种 “先进先出”的数据结构。
A.
正确
B.
错误
查看完整题目与答案
【单选题】According to Paragraph 6, why is manual uprooting a difficult process?
A.
It requires divers to undergo strenuous training.
B.
The algae's roots are usually too strong to pull out.
C.
It is necessary to remove every last piece of algae.
D.
The algae grow back faster than they can be removed.
查看完整题目与答案
【单选题】根据哈罗德的定义,有保证的增长率G W 与实际增长率G之间可能有的关系是( )
A.
G W >G
B.
G W =G
C.
G W
D.
以上各项均可能
查看完整题目与答案
【简答题】In 194the US anthropology student concluded that the Siriono Why did the divers perform. less well in colder conditions? A．They were less able to concentrate. B．Their body temperature fell too quickly...
查看完整题目与答案
【单选题】The manufacture of rubber breathing pipes made it possible for divers______on the surface of the water.
A.
float
B.
floating
C.
to float
D.
to be floated
查看完整题目与答案
【简答题】The journey two divers made some time ago to the very deepest point on the earth makes us realize how much of the world still remains to be studied. The two men went down seven miles to the bottom of ...
查看完整题目与答案
【单选题】The deeper divers goes down in the sea,
A.
the wanner the sea becomes
B.
the colder they find the sea is
C.
the less the water above presses down
D.
the heavier their clothes must be
查看完整题目与答案
【单选题】有保证的增长率G w 和自然增长率G n 的区别在于（）。
A.
G w 假定资本与劳动的比率不断提高，而G n 没有；
B.
G w 以充分就业为前提，而G n 没有；
C.
G w 随各种因素的变化而变化，是不稳定的增长率，而G n 是比较稳定的增长率；
D.
G w 一定小于G n
查看完整题目与答案
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