Based on the text, it is correct to say that

when people learn their native language, they also learn its culture.

Based on the text, it is correct to say that

language and society are closely linked.

Based on the text, it is correct to say that

the meaning of a word depends on the meaning speakers give to it, according to Osgood.

Based on the text, it is correct to say that

words create the environment where they are learnt.

Based on the text, it is correct to say that

meanings of words vary entirely if the cultural background is different from group to group.

Based on the text, it is correct to say that

translation of words in different languages is a difficult task.

Based on the text, it is correct to say that

even when it comes to material objects, the one-to-one relation of words in two languages may raise arguments.

In the text,

“them all” (l.11) refers to “meaning of a word” (l.10-11).

According to the text, it can be inferred that

the four skills should be taught separately.

According to the text, it can be inferred that

listening must be taught with speaking, whereas reading has to be taught together with writing.