皮皮学，免费搜题
登录
搜题
【单选题】
非全液体摩擦滑动轴承的直径增大1倍，保持宽径比、载荷和转速不变，则pv值是原来的
A.
2 倍
B.
1/2 倍
C.
1/4 倍
D.
不变
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】— May I come in? I'm sorry I am late. — Come in, please. But could you please tell me _____? [     ]
A.
how do you come to school
B.
what were you doing then
C.
who you talked with
D.
why you are late again
查看完整题目与答案
【判断题】Globalization means westernization or Americanization.
A.
正确
B.
错误
查看完整题目与答案
【单选题】-May I come in?  I'm sorry I am late. -Come in, please. But could you please tell me ? [     ]
A.
what were you doing then
B.
why are you late again
C.
who you talked with
D.
how did you come to school
查看完整题目与答案
【单选题】______ unless I call you.
A.
Please come
B.
Not come in
C.
Don’t come in
D.
Come in
查看完整题目与答案
【单选题】Globalization of sporting culture means that ______.
A.
more people are taking up sports
B.
traditional sports are getting popular
C.
many local sports are becoming international
D.
foreigners are more interested in local sports
查看完整题目与答案
【判断题】在热力循环中，如果工质不向冷源放热，则该循环的热效率可以达到100%
A.
正确
B.
错误
查看完整题目与答案
【单选题】The economic globalization is brought about mainly by______.
A.
mobile labor
B.
modern means of transportation and communications
C.
the increase in world trade volume
D.
the establishment of international business branches and subsidiaries
查看完整题目与答案
【判断题】在热力循环中，如果工质不向冷源放热，则该循环的热效率是可以达到100% 。
A.
正确
B.
错误
查看完整题目与答案
【单选题】In an Internet era, whether globalization means democracy and development or hindrance to progress, foreign interference and U.S.-led economic domination over the developing countries has evoked hot d...
A.
Globalization brings great opportunity to all the nations in the world.
B.
The developing countries sh6uld resist globalization because it will harm their economy.
C.
Globalization is both an opportunity and a challenge, all the countries must study it carefully before they accept it.
D.
Globalization will harm those countries that own great cultural background more than those that haven't.
查看完整题目与答案
【单选题】. Please tell me how the accident _________ . I am still in the dark.
A.
come to
B.
come by
C.
come across
D.
come about
查看完整题目与答案
相关题目：
【单选题】— May I come in? I'm sorry I am late. — Come in, please. But could you please tell me _____? [     ]
A.
how do you come to school
B.
what were you doing then
C.
who you talked with
D.
why you are late again
查看完整题目与答案
【判断题】Globalization means westernization or Americanization.
A.
正确
B.
错误
查看完整题目与答案
【单选题】-May I come in?  I'm sorry I am late. -Come in, please. But could you please tell me ? [     ]
A.
what were you doing then
B.
why are you late again
C.
who you talked with
D.
how did you come to school
查看完整题目与答案
【单选题】______ unless I call you.
A.
Please come
B.
Not come in
C.
Don’t come in
D.
Come in
查看完整题目与答案
【单选题】Globalization of sporting culture means that ______.
A.
more people are taking up sports
B.
traditional sports are getting popular
C.
many local sports are becoming international
D.
foreigners are more interested in local sports
查看完整题目与答案
【判断题】在热力循环中，如果工质不向冷源放热，则该循环的热效率可以达到100%
A.
正确
B.
错误
查看完整题目与答案
【单选题】The economic globalization is brought about mainly by______.
A.
mobile labor
B.
modern means of transportation and communications
C.
the increase in world trade volume
D.
the establishment of international business branches and subsidiaries
查看完整题目与答案
【判断题】在热力循环中，如果工质不向冷源放热，则该循环的热效率是可以达到100% 。
A.
正确
B.
错误
查看完整题目与答案
【单选题】In an Internet era, whether globalization means democracy and development or hindrance to progress, foreign interference and U.S.-led economic domination over the developing countries has evoked hot d...
A.
Globalization brings great opportunity to all the nations in the world.
B.
The developing countries sh6uld resist globalization because it will harm their economy.
C.
Globalization is both an opportunity and a challenge, all the countries must study it carefully before they accept it.
D.
Globalization will harm those countries that own great cultural background more than those that haven't.
查看完整题目与答案
【单选题】. Please tell me how the accident _________ . I am still in the dark.
A.
come to
B.
come by
C.
come across
D.
come about
查看完整题目与答案