1 . 根据提示，运用本单元的词汇、短语及句式或使用词汇的正确形式完成下面的语篇。

As we all know, there are varieties of resources in the depths of the sea. However,     1     (随着时间的流逝)，some marine creatures have died out. Therefore, marine pollution has been of great global concern.

First of all,     2     (迫切需要) make people aware of the importance of protecting the ocean, because     3     (保护海洋就是保护人类，不定式作主语和表语).     4     (与此同时), we     5     (赞成政府采取有效措施) to keep the balance of nature. No matter how great the difficulty is, we will have the marine resources properly     6     (exploit) and never will we give up protecting the ocean.

2 . 根据汉语提示及要求或括号内单词的正确形式完成短文。

    1     (我突然想到你将前往吉林), so I’d like to recommend Changbaishan to you.

    2     (我得承认，它不仅是一个著名的旅游景点，也是中国最大的自然保护区). The height of the land ranges 700 meters above sea level to over 2,000 meters.     3     (除此之外，它还是各种珍稀动植物的家园). In addition,     4     (在山上散步，在热水池里洗澡，感觉很好). (People claim that the attraction highly appreciated in the district is Tianchi)     5     (用主语从句升级加黑体部分).

You will     6     (definite) have fun exploring Changbaishan     7     (亲自).

3 . 根据提示，运用本单元的词汇、短语及句式或使用词汇的正确形式完成下面的语篇。
Dear Sir/Madam,

    1     (我写信感谢你的及时救援), without which my life couldn’t return to normal.

A few days ago,     2     (一场极其可怕的地震袭击了我的家乡), leaving many houses in ruins.     3     (shock) to find everything buried under the fallen houses, I burst into tears.     4     (世界似乎到了尽头). Thankfully, although you were strangers, you     5     (不遗余力) provide enough food and water for us to survive on. With strong support from the government and your generous aid, a new town was built upon the earthquake     6     (ruin).

I can’t express my gratitude too much.

Yours sincerely,

Li Hua

4 . 根据汉语提示完成短文。

Nicholas, intrigued by adventure stories,     1     (出发去滑雪) with his father. They had a wonderful day. When they were to leave, Nicholas decided to go down unusual trails himself. Unfortunately, a fierce snowstorm swept the area and Nicholas was lost. He remembered the story he ever read, in which a man was abandoned in a wild area and had to help himself out. “I would not shrink from danger. It’s time to     2     (我学到的技巧付诸实践了),” he whispered. He determined to     3     (逃命). Although in a subdued mood, he would not retreat.     4     (再三考虑之后), he     5     (全身心地建一个雪洞) to keep himself warm. The next day, he was found by his father, safe and sound.

5 . 根据汉语提示完成短文

    1     (对稀有物种感到兴奋和惊讶) in the forest, Tim, a biologist, was immersed in     2     (拍摄它们的照片). It was when his cellphone battery ran out that he realized that he was lost in the forest. Without a compass or a map, he thought he     3     (无法走出去). What’s worse, he tripped and     4     (腿受伤了). After numerous attempts and failures, he saw the flash on the main road. At that moment, he was excited beyond description.

6 . 根据课文内容填空

Some people believe that space exploration is a waste of time and the     1    . Then why do humans still explore space? 

It is humans’     2     about the unknown that leads humans to explore space continuously. Space exploration helps better understand the     3     and the origin, evolution and future of the     4    . Humans’ lives have become     5     through space exploration, which will probably provide     6     for humans in many areas. Space exploration can bring great     7     and attract young to take up     8     concerning it. Wonders in space exploration can provide children with     9     and motivate them to become the scientists and     10     of the future.

7 . 课文内容填空

Lauren Bath, a photo blogger, has attracted many fans. In 2013, she     1    (离开, 离任) her     2    (以前的)job as a chef and chose a different     3    (专业, 行业). In other words, she     4     her hobby     5    (把……看作) a career. From then on, she has spent much time travelling the     6    (本地的) Australia. Of all the places in Australia she visited, Broome in the Kimberley region is her favourite     7    (目的地). She loves to photograph the scenery, as well as animals, such as     8    (袋鼠) and dolphins. When it comes to environmental issues, she hopes to stop people from feeding wild     9    (鳄鱼). And she    10    (决定) to make people aware of the problem. She hoped that her dream would     11    (实现) one day.

8 . 根据提示用所给学词汇的正确形式完成下列短文。

Fishing is one of the most     1     (strike) drivers of declines (降低) in ocean wildlife populations. Catching fish is not naturally bad for the ocean and without doubt     2     (accept), except when boats catch fish faster than stocks (储备) can catch up, something called overfishing.

The damage done by overfishing goes     3     (超出……范围) the needless loss of billions of fish. The number of overfished stocks     4     (global) has increased a lot in half a century and today one-third of the world’s fisheries are being pushed over their biological limits, according to the Food and Agriculture Organization of the United Nations. It is shown by a new study that more than one-third of all sharks and rays are now at risk of     5     (extinct) because of overfishing.

Overfishing is closely tied to bycatch — the catch of unwanted sea life while fishing for a specific species. This, too, is a serious marine (海洋的) threat that     6     (导致) the needless loss of billions of fish.

Billions of people rely on fish for protein, and fishing is the main livelihood for millions of people     7     (全世界).     8     (因此), governments and regional fisheries bodies must     9     (采取行动) now to stop overfishing and prevent a global crisis. To our relief, many people who make a living by catching and selling fish are working to promote how the world manages and protects ocean resources. WWF works with a lot of organisations to reform fishery management     10     (在全世界), focusing on sustainable (可持续的) practices that not only protect ecosystems, but also sustain livelihoods and ensure food security.

9 . 根据所给的首字母或汉语意思，在空白处填入恰当的单词(每空一词)。

Herbal tea has v    1     health benefits. Many people enjoy herbal tea because it can have a positive effect on energy levels. If you haven’t been feeling very well, drink some ginger tea to give your     2     (免疫) system a helping hand. Mint tea, meanwhile, is good for d    3    .

10 . 阅读下面材料, 根据首字母和提示填空, 每空一词。

In recent years, creatures such as whales, sharks, dolphins, deer, kangaroos and Tibetan antelopes have faced a t     1     and it's difficult for them to exist. Now their numbers are reducing due to too much hunting. As a result, they have to search for new h     2     and try to adapt to new environments. This problem has concerned people very much, and stirred up emotions of alarm. At present, many volunteers join in the protection of wild animals. In the habitats they observe the daily activities of wild animals and watch them over day and night. They remove traps and nets placed by hunters to protect these animals and insects like butterflies from a     3     . In addition, these volunteers help to recover the lost animals. They r     4     people in the neighbourhood of the importance of h     5     between man and nature.

近年来, 鲸、鲨鱼、海豚、鹿、袋鼠、藏羚羊等动物已面临威胁, 生存困难。由于过度捕猎, 现在它们的数量正在减少。因此, 它们必须寻找新的栖息地, 并努力适应新的环境。这一问题让人们非常担忧, 并引发了恐慌情绪。目前, 许多志愿者加入了保护野生动物的行列。在栖息地, 他们观察野生动物的日常活动, 并日夜照看它们。他们拆除 猎人放置的陷阱和网, 以保护这些动物和像蝴蝶这样的昆虫免受攻击。此外, 这些志愿者帮助找回丢失的动物。他们提醒邻近地方的人们人与自然和谐的重要性。