Fortunately, I was able to catch the exam in time.
She glared at Yun Wei, she must play well in this exam, and she will definitely not let Yun Wei take the lead, so that she can take revenge for this arrow.
Ming Ye glanced at Yun Wei coldly and said, "Okay, start the exam." ” Yun Wei glanced at it, including herself, there were a total of ten students, three men and seven women.
Is it true that women still have more love for jewelry?
As for what Fang Lisha is here for, she doesn't know too well, anyway, Fang Lisha appeared here, maybe it's for the exam Tomorrow Night Leng stood in front of everyone.
He was awe-inspiring, and he had a cold air on his body, revealing indifference.
He waved his hand, and immediately someone brought two plates of things.
These two plates are covered with brocade cloth, and I don't know what is covered underneath.
Everyone didn't know what was going to be tested in this exam, so they couldn't help but look at those two plates.
Ming Ye said coldly: "The content of today's exam is very simple, there is a plate of glass shards here, and a plate of broken diamonds.
I'm going to mix them together, and all you have to do is distinguish between glass and broken diamonds. ” When everyone heard this, their faces immediately twitched.
This exam is too simple, and the people who come here to study are not all who have been exposed to jewelry, and who have not brought testing equipment to school The molecular structure of glass and diamond is completely different, and it is easy to test with a testing instrument.
If you want to distinguish broken glass from broken drills, there is nothing difficult at all, you just need to take out the instrument, put broken glass and broken drills in it, test it, and you can distinguish it immediately.
This truth even Fang Lisha, who doesn't understand jewelry at all, understands it.
As if he saw everyone's thoughts, the corners of Ming Ye's cold lips pulled up an upward arc: "You can't use instruments, you can't take out broken diamonds and broken glass."
It can only be distinguished here, by what is already available here. ” He shrugged and said, "I don't know what's in this room, but anything you need to use, as long as it's in this room, it's fine." ” Suddenly, everyone cried and mourned, and they couldn't use any tools, so how could they tell the difference Isn't this a clear embarrassment for others?
If there are tools, it is not difficult for everyone here, and the detector is the most convenient and fast tool.
Yun Wei also secretly thought: "If you can't use a detector, the people here must also have a way to distinguish broken glass from broken drills, it's very simple, you only need to use the method of heavy liquid separation."
The so-called heavy liquid separation method is a method of mineral separation in a certain density of heavy liquid according to the different mineral densities.
The heavy liquid is poured into the separating funnel, the sand sample is put in, and the dense mineral sinks and the small one floats up.
The density of glass is about 25 and the density of diamond is about 35, which is easy to distinguish. ” But Tomorrow Night Leng said that he couldn't go out, and he couldn't use everything except here, and heavy liquid was obviously an industrial chemical, and there was definitely no one here.
Obviously, there is no one who can solve this problem with instrumentation and heavy liquid separation.
Suddenly, the ten people were a little dumbfounded.
Ming Yeleng looked at Yun Wei a little impatiently, in order to embarrass Yun Wei, he drove her out directly, he didn't think of a way. aa2705221: