What Happened If You Didn't Take The College Entrance Examination? I Recommend
Chapter 73 Participating In The Preliminary Competition
Early the next morning, he still went to Gu Chengzhi to ask for half a day off as a student.
In the end, he got the approval of the class teacher, as long as he doesn't leave the school, he can go wherever he wants, without asking him for leave.
Now what else can Lu Shixian say, there is no pressure to be late and leave early.
So, he quickly rushed to the laboratory building.
After waiting for about ten minutes, Mei Ting really showed up to meet him at work time.
"Let's go, I've just applied for the right to use the small laboratory for the last half month. I'll take you there today, and the laboratory administrator will let you in." Mei Ting explained to him as she walked. .
Lu Shixian asked with some doubts: "Jinling No. 1 Middle School still has this condition? Can we do bio-competition experiments?"
Mei Ting was once again told that she would not be able to, and she glanced at him.
"Are you underestimating Jinling No. 1 Middle School? After all, it is also the No. 1 Middle School in a provincial capital city. It used to be the best high school in the province."
"Its history is several times older than yours. Although the current students are not very up-to-date, the experimental tools inside are still very complete."
"Some experimental equipment should be a bit outdated, but it is more than enough to do some basic biological experiments."
Said, Mei Ting led him into a small laboratory through the corridor.
She took off her white coat and put it on, then came to the laboratory table, prepared the laboratory equipment, and said to Lu Shixian by the way.
"Sheng Jing's experiments seem to test your operation level, but in fact most of them are to test whether your theory is solid, which is why you were asked to learn the theory first."
"Recently, the hot spots in biological competition experiments are plant experiments and animal experiments, and there are fewer biochemistry and experimental equipment tests."
"So I speculate that the recent questions should focus on purely biological content."
"And this year is a very special year. Whether the focus is on plants or animals can be guessed from the year."
Lu Shixian could still understand what he said just now, but now it made him a little confused.
"What's so special?"
Mei Ting cleaned the beaker and said to him: "It's just a boring rumor. 2008 is an even-numbered year, so this year it should be the Botanical Society and Yanda University's turn to be in charge of the proposition, and the odd-numbered year is the Zoological Society and Yanshi Normal University."
Lu Shixian understood in an instant, and was extremely surprised in his heart, there is such a saying?
As the saying goes, the ass determines the head, and the position determines the thinking.
If this statement is credible, then this news is worth at least twenty cents.
"Of course, this is what they say when it comes to the national competition. The league is an independent proposition for each province. The questions are all kinds of weird and strange, and you can meet anything."
"Okay, too much nonsense, if you don't know how to do it, watch me do it first, and you will come back later."
As she spoke, she actually took out a bunch of peach blossoms from her pocket.
"Now is the peach blossom season, can you dissect it?"
Lu Shixian thought for a while and nodded, "I will."
It is said that he is not good at dissecting animals, but it is still no problem to dissect plants, after all, the foundation is there.
"Then you come?" Mei Ting asked with an attitude of trying.
Lu Shixian was not polite, and directly answered her question with actions, which he had done many times in his previous life.
Taking the tweezers from her hand, Lu Shixian plucked the freshest peach blossom.
Not in a hurry, he first observed the shape and position of the flowers.
After a while, pinch the flower stalk, and use tweezers to remove the petals and calyx in order from the outside to the inside.
Then use tweezers to take off the corolla, stamens, and pistils in turn, and place them on the experimental paper in turn.
Now, Mei Ting was a little surprised when she saw his skillful movements.
"The movement is very standard, have you done it before?"
Lu Shixian laughed and said, "I'm more interested in plants, but I don't know much about animals."
Mei Ting didn't care what happened to him, and continued to demand: "Continue to write the flower program based on the results of the autopsy."
In fact, he can write out such common flower species without observing them under a microscope.
But now it is an experiment, so I have no choice but to observe the petals and stamens in order, and finally remove the ovary and cut it open to observe the placenta and ovules.
Then he wrote down the flower formula of peach blossom on the table: k5, c5, a∞, g1:1.
He knew very well in his heart that the experimental procedures must be exact, if there is only one difference, even if he writes the answer correctly, points will be deducted.
Mei Ting was very surprised to see this, and praised him rarely: "Yes, it seems that you are very talented in experiments."
However, she did not expect that Lu Shixian's performance later would directly break her down.
"Huh? Why is the earthworm still moving after being cut? How do you dissect it?"
"Anesthesia, anesthesia, anesthesia, you dissect an animal, you must first anesthetize it before operating."
"Don't move the dorsal blood vessels on the midline of the back."
"My God, why did you cut off the ganglion again?"
In the end, the animal experiments ended with the failure of the earthworms being cut into pieces.
"Didn't you just watch me do it once? How did you make it look like this?"
"Also, didn't you do a good job in the plant experiment before? Why did the operation deform when it came to animals?"
Mei Ting was still scolding him while resting.
Lu Shixian could only smile contemptuously: "I'm a little nervous about making living things."
But only he knew in his heart that he had never done this kind of experiment before, and it was normal for him to do it for the first time, okay?
It's just that Mei Ting's expectations were raised too high when she did a plant experiment just now, which drove her crazy.
Hearing Lu Shixian's explanation, Mei Ting said angrily: "You write down the order of the main points first, and practice later by yourself. I don't care about you, and continue the biochemical experiment tomorrow."
Leaving Lu Shixian wryly smiling on the spot, it seems that his performance is too good!
A biochemical experiment was carried out on Tuesday, and the topic Mei Ting gave him was to use at least three methods to determine the protein content of broccoli.
Molecular biology experiments are carried out on Wednesday. His task is the extraction and determination of plasmid DNA and PCR amplification experiments, with a focus on mastering electrophoresis determination methods.
In this way, during the enriching learning process, the preliminaries of the Jinling City Biology Competition in April were soon ushered in.
Lu Shixian had already boarded the bus to Jinling High School by himself, looking lonely.
There is no way, he is the only one in Jinling No. 1 Middle School, the only one who has no companions.
At the same time, Mei Ting has made it clear that until the national stage, she will not do such meaningless things as accompanying the exam.
Fortunately, for him, being alone is quite used to it.
Soon, he was reminded by the conductor, and arrived at the school gate of Jinling High School.
If there is no accident, he will spend here until the provincial election of the league.
Who told the Jinling Affiliated Middle School to cheat!
It was already the weekend, but there were a huge crowd of people who came to participate in the preliminaries.
Didn't it mean that few people participated in the competition? What's going on here?
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