[填空题]Why do you stand and watch the milk (boil) ______ over.

[填空题]Why do you stand and watch the milk (boil) ______ over.

[单项选择]Why do you stand and watch the milk __________ over
A. boiling
B. boiled
C. to boil
D. being boiled

[单项选择]Did you ever wonder why you see the colors you do or if other animals see the same colors that you see We see light that bounces off of things around us. When the light enters our eyes, special cells tell our brains about the light. These cells are called photoreceptors. Light is made of little bits called photons. When the sun shines, trillions and trillions of these little bits of light fall on the earth. The photons bounce off of almost everything and some of them enter our eyes. Those bits that enter our eyes allow us to see. So, where does the color come from Starting in the 1600s with Sir Isaac Newton, scientists have believed that there are different kinds of photons. Different types give rise to our sense of colors. The different photons are said to have different wavelengths. Sunlight contains all the different wavelengths of photons. The visible wavelength colors can be seen when you look at a rainbow. Raindrops acting as natural prisms produce the colors.
A. Red, white, and blue.
B. Red, green, and yellow.
C. Red, green, violet.
D. Red, green, blue.

[多项选择] Why do you want to look for a new job Why do you want to quit your job

[单项选择]

Got milk If you do, take a moment to ponder the true oddness of being able to drink milk after you’re a baby.
No other species but humans can. And most humans can’t either.
The long lists of food allergies some people claim to have can make it seem as if they’re just finicky eaters trying to rationalize likes and dislikes. Not so. Eggs, peanuts, tree nuts, fish, shellfish soy and gluten all can wreak havoc on the immune system of allergic individuals, even causing a deadly reaction called anaphylaxis.
But those allergic reactions are relatively rare, affecting an estimated 4% of adults.
Milk’s different.
There are people who have true milk allergies that can cause deadly reactions. But most people who have bad reactions to milk aren’t actually allergic to it, in that it’s not their immune system that’s responding to the milk. Instead, peo
A. Anaphylaxis may cause people to die.
B. Eggs can damage all the allergic individuals’ immune system.
C. One who is allergic to gluten can not eat corn.
D. Tuna may cause a person who is allergic to fish to di