1 . However, others feel this is a shallow view which _______________.(根据句意填空)

2 . Some people argue that we should stop wasting time and money exploring space. Instead, we should feed the world’s poor and _______________, such as pollution and fatal diseases. (根据句意填空)

3 . The Chinatown in San Francisco is the biggest in America, and also the oldest. It is _______________ receives more visitors each year than even the Golden Gate Bridge.(根据句意填空)

5 . It has to be a community-wide effort, and everyone can help by following the golden rule: _________, ________ and ________.(根据句意完成句子)

6 . We’ve made environmental policies for business to observe, like strict ________ ________.(根据句意完成句子)

7 . They give this area ________ ________ ________ on the earth: one in ten known species in the world can be found here. (根据句意完成句子)

8 . In the last 500 years, over 300 species of animals ________ ________ ________.(根据句意完成句子)

9 . The Amazon rainforest ________ ________ ________ the planet by fixing carbon and producing over 20 per cent of all the Earth’s oxygen.(根据句意完成句子)

10 . After singing some songs, the competitors danced onto the green field, waving their arms in the air as if they were eagles. I was quite moved by their ____________. (根据句意填空)