________To do a skin test, a doctor puts venom under the skin.

Choose the correct answers according to the pictures.[img=428x520]18031ea2d6f09e0.jpg[/img] A: He has freckled skin and a round face. B: He has winkled face and tanned color skin. C: He has rosy cheek and silky skin. D: He has dry skin and fair complexion.

The basal layer of the outermost layer of the skin contains special cells called_________(注意写复数形式). The black pigment can give color to the skin.

中国大学MOOC: From daylight, our bodies absorb vitamin D through the skin. Certain skin diseases also （2） from exposure to sunlight.

Acoustic ultrasound gel is applied to the skin to A: a) Allow good transmission of sound waves into the body. B: b) Lubricate the skin. C: c) Increase the amount of ultrasound scatter.

Questions 11～13 are based on the following monologue. By which is the average adult covered A: Three feet of skin. B: Twelve yards of skin. C: Two square feet of skin. D: Two square yards of skin.

A wound is an _____ to the skin.

英语的“肤浅”是___________________ A: shallow skin B: skin shallow C: deep skin D: skin deep

A) Skin damage. B) Skin cancer. C) Skin burn. D) Death.

注意不要让酸接触皮肤。 A: Be careful not to get acid on your skin. B: Handle the acid with care and do not let it contact your skin. C: Exercise caution not to allow acid to contact skin.