题干

人体缺乏维生素C(简写“Vc”)就会患坏血病,哥伦布探险时的许多船员就因此而死亡.如图所示为某种(维生素C)说明书的一部分,若正常人每天对“Vc”的最低需要量为60mg.请你回答:

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    Everything you do to protect the planet helps all living things, including humpbacks(座头鲸)and other species of whales that live in oceans worldwide. And yes-just one kid, like you, can make a difference.____

    Don't litter. Rubbish thrown away carelessly outside often washes into storm drains(排水沟), which empty into rivers and eventually flow to the oceans.____including whales.

    Say, “No bag, thank you.” Whether you're buying toys, snacks, or clothes, tell the checkout person you don't need a bag.____you'll help reduce the 100 million plastic bags that each year block sewers(下水道), and get swallowed by whales, sea turtles, and other wild life.

    Plant a tree.____They produce oxygen and absorb carbon dioxide(二氧化碳), a gas that animals, including humans, produce naturally as they breathe. But because carbon dioxide also comes from cars and factories, there is too much of it in the atmosphere, which is contributing to global warming. If everyone planted one tree, those trees would remove a large amount of carbon dioxide from the atmosphere.

    ____Every time you leave a room for more than a minute, turn off the light you're using. In this way, you save energy and keep greenhouse gases out of the atmosphere.

    Try the family challenge! Many streams and rivers are polluted and littered with rubbish. You and your family can help preserve the waterways by joining others in your community to pick up rubbish.

A.Trees help clean the air we breathe

B.Turn off the light

C.Avoid driving cars

D.By carrying your own reusable bag

E.Treat them like friends

F.Here are ideas for easy small things you can do

G.Pollution is a growing problem for all the Earth's oceans and its wildlife