判断题
曲线y=2x²-lnx总是凹的。()
【参考答案】
正确
点击查看答案
<上一题
目录
下一题>
热门
试题
单项选择题
Some of the notebooks that George Washington kept are still().
A.exist
B.exists
C.existing
D.in
点击查看答案&解析
单项选择题
They suffered huge losses in the financial().
A.critical
B.critics
C.criticize
D.crisis
点击查看答案&解析
相关试题
Fill in the blanks by selecting su...
After the traveler finished eating,...
The traveler had two meals on the...
The traveler went to the dinning r...
The traveler didn’t go to the din...