请用“\”划分下面诗句的朗读节奏。

浩荡离愁白日斜 ， 吟鞭东指即天涯 。

落红不是无情物 ， 化作春泥更护花 。

    Today is Saturday. The weather is warm and sunny. Bob and Jack go to the park. There are many people there. The girl under a big tree is reading a book. Two boys are playing football on the grass. The girl in a red dress is riding a bike. Two women are talking. The man beside these women is playing with a baby. Bob and Jack are beside the river. They are sitting on the chair and drawing pictures.

向正进行有氧呼吸的细胞悬液中分别加入a、b、c、d四种抑制剂，下列说法正确的是（    ）