A:春季
B:夏季
C:秋季
D:冬季
根据课文《大自然的启示》内容,选择正确的答案。
人类从蚊子身上得到启示,最终解决了机翼因剧烈抖动而破碎的现象。
当晨昏圈与经线圈重合时,下列说法正确的是( )
Mike _______ English, but now he is better at it than _______ in his class.
已知幂函数f(x)满足:对任意x1,x2∈R,当且仅当x1=x2时,有f(x1)=f(x2).则f(﹣1)+f(0)+f(1)的值为____.
The underlined part(下划线部分) in is pronounced(发音)differently.