皮皮学，免费搜题
登录
搜题
【简答题】
生物体在表现为多样性的同时也具有共性： 是生物最基本的特征，在此基础上生物 、 和 等生命活动。
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】The Federal National Mortgage Association (Fannie Mae) issued a dollar-denominated bond with a 7.25% annual coupon and a maturity date in 2030 to non-U.S. investors in an external market. This bond is...
A.
foreign bond
B.
Eurobond
C.
domestic bond
D.
Yankee bond
查看完整题目与答案
【单选题】抱轴式电机悬挂中,轴瓦与车轴轴颈间间隙要求在( )之间。
A.
0.25～0.4mm
B.
1.0～2.0mm
C.
1.0～3.0mm
D.
2.0～3.0mm
查看完整题目与答案
【判断题】在使用三极管时,若集电极电流Ic超过最大允许电流Icm,则β值要增大
A.
正确
B.
错误
查看完整题目与答案
【判断题】在使用三极管时,集电极电流超过ICM,只会影响性能不会导致三极管损坏。
A.
正确
B.
错误
查看完整题目与答案
【判断题】The Federal Hall National Museum used to be the President's house.
A.
正确
B.
错误
查看完整题目与答案
【判断题】水准仪主要由望远镜、水准器和基座三部分组成。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Of the German National Tourist Board's total budget, how much is granted by the federal government?
A.
20%.
B.
30%.
C.
40%.
D.
50%.
查看完整题目与答案
【判断题】在使用三极管时,集电极电流超过 ICM 并一定会使三极管损坏
A.
正确
B.
错误
查看完整题目与答案
【单选题】The Federal National Mortgage Association (Fannie Mae)
A.
was set up to buy mortgages from thrifts so that these institutions could make more loans.
B.
funds purchases of mortgages by selling bonds to the public.
C.
provides insurance for certain mortgage contracts.
D.
does all of the above.
E.
does only A and B of the above.
查看完整题目与答案
【单选题】The cyberattack launched at the federal Idaho National Laboratory is used to show
A.
the vulnerability of America's key infrastructures to cyberattacks.
B.
the weakness of Bush administration's cybersecurity efforts.
C.
the vulnerability of US infrastructures to online criticism.
D.
the inability of the Department of Homeland Security.
查看完整题目与答案
相关题目：
【单选题】The Federal National Mortgage Association (Fannie Mae) issued a dollar-denominated bond with a 7.25% annual coupon and a maturity date in 2030 to non-U.S. investors in an external market. This bond is...
A.
foreign bond
B.
Eurobond
C.
domestic bond
D.
Yankee bond
查看完整题目与答案
【单选题】抱轴式电机悬挂中,轴瓦与车轴轴颈间间隙要求在( )之间。
A.
0.25～0.4mm
B.
1.0～2.0mm
C.
1.0～3.0mm
D.
2.0～3.0mm
查看完整题目与答案
【判断题】在使用三极管时,若集电极电流Ic超过最大允许电流Icm,则β值要增大
A.
正确
B.
错误
查看完整题目与答案
【判断题】在使用三极管时,集电极电流超过ICM,只会影响性能不会导致三极管损坏。
A.
正确
B.
错误
查看完整题目与答案
【判断题】The Federal Hall National Museum used to be the President's house.
A.
正确
B.
错误
查看完整题目与答案
【判断题】水准仪主要由望远镜、水准器和基座三部分组成。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Of the German National Tourist Board's total budget, how much is granted by the federal government?
A.
20%.
B.
30%.
C.
40%.
D.
50%.
查看完整题目与答案
【判断题】在使用三极管时,集电极电流超过 ICM 并一定会使三极管损坏
A.
正确
B.
错误
查看完整题目与答案
【单选题】The Federal National Mortgage Association (Fannie Mae)
A.
was set up to buy mortgages from thrifts so that these institutions could make more loans.
B.
funds purchases of mortgages by selling bonds to the public.
C.
provides insurance for certain mortgage contracts.
D.
does all of the above.
E.
does only A and B of the above.
查看完整题目与答案
【单选题】The cyberattack launched at the federal Idaho National Laboratory is used to show
A.
the vulnerability of America's key infrastructures to cyberattacks.
B.
the weakness of Bush administration's cybersecurity efforts.
C.
the vulnerability of US infrastructures to online criticism.
D.
the inability of the Department of Homeland Security.
查看完整题目与答案