3 . 根据句意，选择单词或短语并以其适当形式填空。

by contrast;in the end;be blamed on;up to;be native to;be home to;carry out

1. A fully-charged battery can last for ________a month.
2. The surrounding forests ________many birds and animals.
3. Such water would not ________the moon,but instead delivered there over time by comet impacts.
4. This is seen in the case of the United States’ refusal to ________its agreement.
5. I am not good at expressing myself.________,I am better at thinking instead.
6. Scientists are confident this change can ________human emissions.
7. ________,the prince and princess unite in marriage and the whole city celebrates their happiness.

5 . Complete the paragraphs with the correct form of the words and expressions in the box.

ancestor       scientific       be native to       primitive habitat       appearance       be home to       ecosystem

1. The Galapagos Islands are renowned worldwide for their unique biodiversity. The Giant Tortoise Reserve on Santa Cruz ________ several species of giant tortoise that ________ the Galapagos Islands. The island is also home to the Charles Darwin Research Station, where ________ studies are carried out.
2. Mangroves are one of the coastal plants that grow on Isabela. They serve as the ________ for various birds and fish, and are very important to the ________.
3. Iguanas can be found on San Cristobal. They have a very special ________, with comb-like spines on their back. There is evidence that all the different iguanas have developed from more ________ ones and share a common ________.

7 . 云南省位于我国西南部，它是许多少数民族的家园。（locate，be home to）(汉译英)

8 . 英汉互译
1. (be) wrapped in_____________________
2. ____________________一大片……；一张……
3. ____________________为……的所在地；是……的家园
4. take hundreds of years____________________
5. as far as the eye can see___________________
6. from the bottom to the very top___________________
7. go to so much trouble___________________
8. ___________________把……变成……
9. ___________________ the region在该地区
10. plenty ___________________ rain大量的雨水；充足的雨水

9 . 汉译英
1. 被……包裹着________
2. 是……的故乡/家园/栖息地________
3. 不辞辛劳地去做________
4. 把……变成……________
5. 阻止……________
6. 冲走________
7. 与……协调一致________
8. 为某人提供……________
9. 与自然融为一体________
10. 反思________