1. (2018八上·广州期末) 阅读下列短文，从下面每小题的A、B、C、D四个选项中选出最佳选项。

    It is park at the bottom of the ocean. It's cold down there too. There's no air to breathe. The water pressure is high. There may be fishes that could hurt you. The deep sea can be an unpleasant place. But people are still fascinated by it, not just because of the amazing scenery. The seafloor might hold the secret to the beginning of life on Earth.

    Oceans cover more than two-thirds of our planet. Yet, we have explored just a small part of the underwater world. A new project is there to explore the ocean deeper. A new US machine can carry people down to as deep as 6,500 metres. It will take the place of an older machine called Alvin. The old one has been in use for 40 years, but it can only go down to 4,500 metres. Alvin played a key role in many important tasks. Alvin helped biologists collect worms, chemists gather rocks, and oceanographers (海洋学家) map the seafloor and take water sample (样本).

    But now it's about time for a new one. The new machine will be like Alvin. It'll also be about 27 feet long, about the size of a small school bus. The seating area inside will be small, about two metres wide. Like Alvin, it'll carry a pilot and two passengers. It will be able to move like Alvin does. It'll give passengers more chances to enjoy the view. Alvin has only three windows. The new one will have five. It will travel more than a mile an hour faster than Alvin. Getting to the bottom faster and moving around more quickly will allow researchers to make the most of their time underwater.

1. （1） According to the passage, at the bottom of the sea, ________.

   ①it is park

   ②people hide some secrets

   ③there may be dangerous fishes

   ④there is no scenery

   ⑤it is cold

   ⑥there is high water pressure

   A . ①②③④ B . ①④⑤⑥ C . ①③⑤⑥ D . ①③④⑥
3. （2） The underlined word "fascinated" in Paragraph 1 has the similar meaning as ________.

   A . surprised B . attacked C . attracted D . controlled
5. （3） How many metres deeper will the new machine be able to go down the sea than Alvin?

   A . 2,000. B . 4,500. C . 6,500. D . 11,000.
7. （4） This passage is mainly about ________.

   A . the deep oceans B . new science and technology C . a new project exploring the deeper sea D . a new machine called Alvin