单项选择题


Questions 11 - 13 are basic on the following talk. You now have 15 seconds to read Questions 11 - 13.
The next talk of the "Skin Protection Series" will be

A．on skin diseases.
B．on the protection of children’ s skin.
C．on how to relieve the pain of the skin.
D．on the relations between sunlight and Vitamin D needed by our body.
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单项选择题
We learn from the talk that it is easy to get a serious sunburn at the beaches because
A．the sunlight is fiercer at the beaches than elsewhere.
B．the skin gets the glare of the sun reflected back from the water and sand.
C．the ultraviolet rays there are much stronger.
D．the sunlight can also get through the cloud.
单项选择题
The speech tells us that to solve the problem of getting sunburned, we should
A．stay out of the sun.
B．apply soothing dressing to the skin.
C．not expose our skin to sunlight too long at the beginning.
D．stay away from the actinic rays.
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