1.What rays can cause skin cancer according to the text? A. UVB. UVAC. UVBD. UVA&UVB 2.What can we know about SPF from Paragraph 1? A. It tells us the UVB protection level. B. It’s better to use higher numbered SPF.
百度试题 题目Ultraviolet rays from the Sun can cause which of the following? A.SunburnB.Skin cancerC.Both A and BD.Neither A or B相关知识点: 试题来源: 解析 C 反馈 收藏
The skin, which acts as a barrier 【小题1】disease, toxins and the sun's harmful rays, is an essential part of your body. So if your skin gets burned, it can lead to very serious injuries. Depending on the 【小题2】(deep) of skin damage, burns are divided ...
第25题,There are some kinds of rays from the sun which would burn us to death if we were not protected from them. 太阳中有些光线射到我们身上会把我们烧死,如果我们不防备的话。 A. 错误 B. 正确 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
Humans acquired dark skin in Africa about l.5 million years ago to protect bodies from ultra - violetrays of the sun. which can cause skin cancer. But when modem humans leave Africa to live in northem latitudes they need more sunlight on theirskin...
UV radiation can also cause sunburn more rapid skin aging eye diseases and reactivation of the herpes(疱疹) virus that causes cold sores and pterygium a fleshy growth on the surface of the eye.“We all need some sun but too much sun can be dangerous—and even deadly ” said Dr Maria ...
Solar energy, which comes from the sun's rays, is used for electricity, hot water, and cooking. The sun's rays come from the faraway sun. When traveling a long way and entering the earth's atmosphere, it becomes dilute (稀薄的). As is known to all, solar energy is environmentally fr...
题型:语法填空-短文语填难度:0.65引用次数:357题号:12578417 语法填空 The skin, which acts as a barrier1disease, toxins and the sun's harmful rays, is an essential part of your body. So if your skin gets burned, it can lead to very serious injuries. Depending on the2(deep) of skin dama...
1. 根据上文 Solar energy, which comes from the sun's rays, is used for electricity, hot water, and cooking 和下文 When traveling a long way and entering the earth's atmosphere they become dilute 可知,太阳能来自太阳的光线。当长途跋涉进入地球大气层时,它们会变得稀薄。故此处内容与太阳光线的来...
a昨天我喜欢吃那些 Yesterday I liked eating these [translate] ayou have all girl 您有所有女孩 [translate] ayou have three layers of skin which act as a barrier against disease,poisons and the sun's harmful rays. 您有作为障碍反对疾病、毒物和太阳的有害的光芒皮肤的三层数。 [translate] ...