Liao Hongmei's face was extremely ugly, and the girl who returned to the desk raised her delicate face and curled her red lips confidently.

HOCH2CH2OH+CH2=C(CH3)COOH→CH2=C(CH3)COOCH2CH2OH+H20

Above the arrow, is concentrated sulfuric acid.

Liao Hongmei blushed in embarrassment, she couldn't wait to dig a hole in the ground and get in, and couldn't help but clench the chalk in her hand.

"Shi Tianlan's answer is very correct." She gritted her teeth, "Well done." ”

Liao Hongmei originally wanted to teach Shi Lanlan a lesson, and by the way, she pulled out the matter of her absenteeism to make an example of her, but she didn't expect that she really did this question!

Shi Tianlan smiled skillfully, "Thank you, teacher." ”

Liao Hongmei only felt that the atmosphere was extremely embarrassing, and the powder on the chalk was almost picked off by her fingertips, so she could only use a lecture to relieve the embarrassment, "So this question is actually not difficult, I'll talk about ......"

Jiang Zhi stiffly looked up at the answer.

The handwriting is smooth and clear, the chemical equation is so beautiful in Shi Linglan's pen, and the reaction formula is completely correct!

"......" he instantly felt that the world was mysterious!

"As I said, I don't need to attend lectures." Shi tilted her cheeks, her red lips looked at Jiang Zhi lightly, and her smile was like a flower.

Hearing this, Jiang Zhi almost choked to death with saliva.

He felt a little dizzy, and an unbelievable thought came to his mind, "Your previous academic performance was also pretended?" ”

"Ah, it wasn't meant to be."

Shi Tianlan's red lips opened slightly, "It's just that there were always nearly 100 million businesses busy before, and I didn't have time to take the exam." ”

This is not just now, there are still 200 million orders that were rejected by her.

Jiang Zhi: "......"

When the bell rang for the end of class, Liao Hongmei, who was the exterminator, rarely left the classroom without delaying the class, and immediately left the classroom with her head in her arms, still puzzled, "What a hell!" ”

In the past, Shi Tianlan, who skipped class and missed the exam, now easily made the most difficult question in the entire paper on the blackboard, and even Shen Ruxue and Xu Sheng couldn't do it!

Before class, the girls who were taunting and studying poorly felt that their faces were red and swollen.

"Sister Ting, you are amazing!"

Lan Chu poked his head over, his apricot eyes flashed like stars, and the worship in his eyes couldn't be hidden.

But there are still people who are sour, "Isn't it just stepping on shit luck, and it won't be zero by the time the exam comes!" ”

"It's just that, maybe you already have the answer in your hand!"

The corners of Shi Tinglan's eyes were slightly raised, and he smiled lightly.

……

After school, Shi Tianlan went back directly to Qinglan Water Pavilion.

Thinking of the white list reward order issued by Shi Qingjue to Jingshi Pavilion, she went into the bathroom and untied her blue and white school uniform.

The creamy skin is tender and translucent, and the green silk like a waterfall falls behind the thin and fair shoulders, black and white.

"What is the strange location of the right butterfly bone......"

Shi Qianlan's red lips opened lightly and muttered in a low voice.

She looked at herself in the mirror slightly, raised her hand to flick the black green silk, and pulled her in front of her, exposing her white and straight back to the air!

The location of the right butterfly bone......

There is a bright crescent moon birthmark!

Shi Tianlan's eyes paused slightly, his fingertips were slightly cold, and after losing his mind for a moment, he immediately pulled the green silk behind him to cover it.

I didn't pay special attention to the shape and position of the birthmark before, but I didn't expect it to match the girl Shi Qingjue was looking for!

What was he looking for this birthmark for?

Just as the girl was in thought, there was a rustling sound outside the bathroom, and then, "Click-"

The bathroom door was suddenly pushed open!

Before Shi Tianlan could get dressed, a long figure suddenly appeared in front of her.