A:how our city Dawukou looked like
B:what our city Dawukou looked like
C:what did our city Dawukou look like
D:how did our city Dawukou look like
季风区受____ 风影响明显,降水丰富,主要集中于夏季,非季风区受地形等因素的制约,____ 风很难到达,降水____ ,全年都比较____ 。
下列图象能正确反映实验过程中相应量变化的是( )