as cool as a cucumberDay 3Earth’s own sunscreen (P5)Choose the best answer:1. What is the article mainly about? A. How the ozone layer protects the Earth.B. What we can do to protect the ozone layer. C ……

that it turns it red or even makes it peel off. The pain helps you remember to wear sunscreen the next time. Well, Earth has its own version of sunscreen, the ozone layer (臭氧层), which shades us all from ……

help protect the Earth from global warming (全球变暖).Building a single umbrella big enough to cover.... Working together, groups of the mini-umbrellas could act as a sunscreen (防晒霜) for the planet ……

help protect the Earth from global warming (全球变暖).Building a single umbrella big enough to cover.... Working together, groups of the mini-umbrellas could act as a sunscreen (防晒霜) for the planet ……

their own business as a team.B. Feng and Meng have set up their own business as a team.C. Feng and Meng...;Sunscreen (防晒霜) protects our skin from sunburn. But did you know that it is harmful to coral (珊瑚 ……

Many of us use sunscreen (防晒霜) on the beach. But now you cannot use it in Hawaii in the United States. Hawaii made a law (法律). It bans (禁止) some kinds of sunscreen. Things in the sunscreen can go ……

percent of Earth’s oxygen (氧气). Many ocean plants live only near the surface (水面). Without roots... stick to (粘住) the rocks. 4. Ocean plants make 70 percent of Earth’s oxygen (氧气 ……

percent of Earth’s oxygen (氧气). Many ocean plants live only near the surface (水面). Without roots... stick to (粘住) the rocks. 4. Ocean plants make 70 percent of Earth’s oxygen (氧气). Many ……

; Because the fish have their own scales.• Scale：鱼鳞/磅秤– Why is it so easy to weigh fish?– Because the fish have their own scales.• Scale：鱼鳞/磅秤  – Why do ……

Here is a list of words. Try to find them in the box below. ocean shells towel beachballsunscreen lifeguard umbrella fish. ……

With summer coming, we see sunscreen (防晒霜) as a must-have if we want to avoid sunburn. But is sunscreen safe?According to the US Food and Drug Administration, the chemicals in sunscreen can seep ……

防晒霜对人体有害吗？Do you use sunscreen (防晒霜) on hot summer days? Many experts and doctors have suggested that using sunscreen can prevent people from getting burned by the sun during the summer ……

. Then we make sure we have everything: towels, sunscreen (防晒霜), wallet, cell phone, waterproof (防水的) bag...’t find my sunscreen! Can I borrow yours?” But soon enough, we’re all wearing our swimsuits (泳衣) under ……

recommends more sunscreen. Although it seems bad, scientists are hopeful that Earth can heal (治愈... layer is important because it acts like a sunscreen, blocking harmful ultraviolet light (紫外线) from ……

sunscreen. But scientists from University of Bath in the UK found sunscreen doesn’t protect us.... The study suggests adding antioxidants (抗氧化剂) to sunscreen to take away the harmful iron as to minimized ……