【单选题】How could astronauts survive a journey that covers hundreds of light years? ______.
A.
By travelling at the speed close to 300,000 kilometres per second.
B.
By going into a sound sleep on the spaceship.
C.
By bringing their families together with them.
D.
By breaking Albert Einstein's theory of relativity.
【多选题】下列描述正确的是( )
A.
拉格朗日中值定理描述了平均变化率和瞬时变化率之间的关系;
B.
若函数 f(x) 在区间 I 上的导数恒为 0 ,那么 f(x) 在区间 I 上为常数;
C.
罗尔中值定理是拉格朗日中值定理的特例,拉格朗日中值定理是柯西中值定理的特例;
【单选题】The how covers everything from the ingenious explanations of Sherlock Holmes to the discoveries of science and ways of teaching manners to children.
【单选题】除《中华人民共和国保险法》另有规定或约定外,保险合同成立后有权随时解除保险合同的主体是()
【单选题】If CPI is 1.03 and AC is 6000,how much is EV ?()
【简答题】若函数 在区间I上的导数 ,那么 在区间I上是一个常数。
【判断题】在社会主义核心价值观中,爱国、敬业、诚信、友善是个人层面的价值取向。( )