24 In Paragraph Two, what does the underlined word “it” refer to?
(A) The epidermis.
(B) The new skin.
(C) The mature outer part.
(D) The surface of the body.

20 According to the passage, what is the reason for the existence of hack work? (A)provincialism (B)morale of the artists (C)the quality of art (D)market demands

21 What is the purpose of the article? (A) To describe how the epidermis functions. (B) To explain the importance of keeping the skin healthy. (C) To describe the functions of the various layers of the skin. (D) To show how people use the skin to express themselves to the world.

22 According to the article, what is NOT the physical function of the skin? (A) To make people look attractive. (B) To sense changes in the environment. (C) To produce vitamin D for healthy bones. (D) To allow parts of the body to move freely.

23 In Paragraph Two, what does the underlined word “soles” mean? (A) Bottom. (B) Inside. (C) Sides. (D) Top.

25 According to the article, which of the following statements is NOT true? (A) When there is more blood flow to the skin, the body temperature will not change. (B) The protective coating of the epidermis can be different depending on the parts of the body. (C) The fat in the inner most layer of skin defends the body against injury from knocks and falls. (D) The skin is an external organ which connects us and protects us from the outside world.

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