《2025年同步练习册外语教学与研究出版社七年级英语上册外研版山东专版》

Plants are amazing. They produce plenty of useful things — some of us don't realise it, though. They produce food for animals and humans. More importantly (important), they produce oxygen for us — we need it to breathe (breathe).

答案： though; importantly; to breathe

当million前有具体的数词或冠词a修饰时,million用单数形式,如five million medical workers；当million与介词of连用时,million用复数形式,并且前面不能出现具体的数词,如millions of plastic bags。用法类似的单词还有hundred,thousand等,如a thousand years,thousands of lanterns。

答案： 单数；复数

There are millions (million) of plants in the natural world. Among them, Alice likes roses best. She plants about two hundred (hundred) roses. She believes they will grow into beautiful flowers one day.

答案： millions; hundred

Ⅰ. 根据句意及汉语提示,写出单词的正确形式
1. It is surprising that squirrels can collect (收集) food for winter.
2. Each (每个) child in the club will get a gift before Christmas.
3. Eating too much sugar (糖) is bad for your teeth.
4. The North Pole (北极) usually stays in full sunlight in summer and is dark (黑暗的) 24 hours a day in winter.
5. Jiaozi is a big part (部分) of Chinese culture.
6. Oxygen is one of the products (生成物) of plants. But how do plants produce (产生) oxygen?
7. Nature is the mother of humans (人类). People get food, water, fresh air etc from it.
8. The root will send (送出) up water to the leaf (叶子) through the stem.
9. Within (在……里) the park, we can explore the interesting world of plants.
10. First mix (混合) the eggs and sugar together, then add the milk.
11. How time flies! My brother will go to the university soon (很快).
12. These flowers do not grow (生长) well in cold places.
13. The room is small. The view by the sea is amazing, though (不过).

答案： 1. collect 2. Each 3. sugar 4. dark 5. part 6. products; produce 7. humans 8. send; leaf 9. Within 10. mix 11. soon 12. grow 13. though