A:the way they sound
B:they way which they sound
C:the way that sound
D:as they are sound
血红蛋白与氧结合或分离取决于( )
先将(1﹣1x)÷x-1x2+2x化简,然后请自选一个你喜欢的x值代入求值.
图“熟视无睹”这一漫画反映的主要问题是( )