Question

    Scientists have long wondered how Australia’s koalas get enough water to live. A new study p1. an answer.

The lead writer of the new report on koalas is Valentina Mella of the University of Sydney. It was earlier t2. , she explains, that the animals got most of the water they needed in the leaves they ate.

In the wild, koalas get water from the plant leaves they eat. But they also get it from water r3. down from the trees during it rains.

Mella and other scientists w4. koalas in the wild every year. They find that koalas are a5. at night. They live in trees and depend on them for food, drinking and also for resting places.

Koalas spend most of the time high up in the trees. They eat lots of leaves. An adult koala n6. eats between 0.5 and 0.8 kg of leaves a day, Koalas sleep about 20 hours a day.

Mella notes that a koala usually spends 98% of its 7. in trees. She also notes that the only time they come down to the ground is to d8. another tree with better leaves.

In fact, the word “koala” means “no drink” in the 9. language. Koalas did not go down onto the ground very often. So it was considered that they had no need to drink water.

The koalas’ living e10. is getting worse now because the fires from September 2019 to January 2020 in Australia have burned about 30% of the forests where they live.

Answer

1.provided

2.thought

3.running

4.watch

5.active

6.normally

7.life

8.discover

9.local

10.environment

【解析】

本文是一篇说明文，主要介绍了澳大利亚的考拉是怎样获取生存所需要的水分的，以及介绍了它们的生活习性等。

1.句意：一项新的研究提供了答案。
根据上文“Scientists have long wondered how Australia’s koalas get enough water to live”可知，科学家很久以来就想知道考拉是怎样得到生存需要的水的，于是一项研究提供了答案。provide提供，动词，其中“提供答案”这件事发生在过去，故此处应用其过去式。故答案为provided。

2.句意：这是一个早期的想法，她解释说，这种动物从它们吃的树叶中得到了大部分它们所需要的水。
根据“that the animals got most of the water they needed in the leaves they ate”可知，考拉从它们吃的树叶中得到了大部分水分是一种早期的想法。thought想法，不可数名词。故答案为thought。

3.句意：但是它们也能从下雨时从树上流下来的水里得到水分。
根据“But they also get it from water r____down from the trees during it rains”可知，考拉也能从树上流下来的雨水中获取水分。run down from…从……中跑下来，固定短语，跟在句中water后面作后置定语，所以应用其现在分词形式running表主动关系，即滴落下来的水。故答案为running。

4.句意：梅拉和其他科学家每年都在野外观察考拉。
根据下文“They find that koalas…”可知，科学家们每年都会在野外观察考拉。watch观察，动词，根据句中every year可知，本句时态为一般现在时，且主语Mella and other scientists为复数形式，故此处应用其原形。故答案为watch。

5.句意：他们发现考拉晚上很活跃。
根据首字母及生活常识可知，考拉晚上非常活跃。active活跃的，形容词，在句中作表语。故答案为active。

6.句意：一只成年考拉通常每天吃0.5到0.8公斤的树叶。
根据首字母及语境可知，一只成年考拉通常每天吃0.5到0.8公斤的树叶。normally通常，副词，在句中修饰动词eat。故答案为normally。

7.句意：梅拉指出，考拉一生中98%的时间都在树上度过。
根据下文“She also notes that the only time they come down to the ground…”可知，考拉一生中大部分时间都在树上度过。life一生，可数名词，根据句中its可知，此处用其单数形式。故答案为life。

8.句意：她还指出，它们唯一一次落到地上是为了发现另一棵叶子更好的树。
根据首字母及语境可知，考拉唯一一次到地面上是为了发现树叶更好的树。discover发现，动词，用在to后面表目的，用其原形。故答案为discover。

9.句意：事实上，“考拉”一词在当地语言中的意思是“不喝水”。
根据语境可知，单词“考拉”在当地语言中意味着“不喝水”。local本地的，形容词，作定语形容名词language。故答案为local。

10.句意：由于2019年9月至2020年1月在澳大利亚发生的大火烧毁了考拉所居住的约30%的森林，考拉的生存环境正在变得越来越糟糕。
根据“the fires from September 2019 to January 2020 in Australia have burned about 30% of the forests where they live”可知，考拉的居住场所几乎被大火烧毁，所以它们的生存环境越来越糟。environment环境，不可数名词。故答案为environment。