As the saying goes, "courtesy is warm to the heart, rudeness is disgusting". Excuse me, what rhetorical devices are used?

As the saying goes, "courtesy is warm to the heart, rudeness is disgusting". Excuse me, what rhetorical devices are used?

metaphor

you ,janet,and i _____ (be) good friends?

The answer is wrong. Use are because the subject is you, Janet and I

Ask a few questions about the fifth grade of primary school, and you will get the answer right away!
A ton of oil can be extracted from B tons of peanuts. At present, 50 tons of peanuts can be extracted from X tons of oil. The following equation is correct ()
A.a/b=x/50 B.b/a=x/50 C.ab=50x D.ab=x/50
Take any two digital cards from 4567 and add up the numbers on the two cards. There are () possibilities for different sums
When 63.5 and 12 are subtracted at the same time, one of them is 6 times of the other

A.a/b=x/50
Take any two digital cards from 4567 and add the numbers on the two cards. There are (6) possibilities for different sums
After subtracting (1.7) from 63.5 and 12 at the same time, one of them is 6 times of the other