听力题 It''s never too early to (36) 1your skin-or your children''s-from the sun. The sun produces (37) 2 rays- (38) 3 A (UVA. and (39) 4B (UVB. -that can cause short-and long-term skin damage. The immediate effects of harmful (40) 5- (41) 6, photosensitive (42) 7, and cell and (43) 8damage-are bad enough. But medical experts believe that (44) 9.Health experts also believe that UVA may weaken the immune system. (45) 10.Using sunscreens regularly on children, for example, can reduce their risk of skin damage later in life. Sunscreens provide some protection by blocking the sun''s rays on the skin. (46) 11. But no sunscreen totally blocks the sun''s rays.
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【正确答案】 1、save,    2、invisible,    3、ultraviolet,    4、ultraviolet,    5、sunrays,    6、sunburn,    7、reaction,    8、tissue,    9、too much exposure to the sun in childhood or the sun in adolescence is a major cause of skin cancer and premature skin aging later in life.,    10、You can take steps early and often to minimize the sun's harmful effects.,    11、They are labeled with a sun protection factor (SPF), the higher the SPF, The greater the protection against harmful sunrays    
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