16. The sea covers a great part of the Earth’s surface. It is the h_____ of millions of
living thins. Do you know there is more life in the sea than on l_____? The animals and plants in the sea are very i_______ to man as a resource of food. Today more and more people are studying the sea. This is because the population of the Earth is increasing so fast that the land will not be able to provide food f____ every body. And the sea can provide us with a lot of food and f_____ water in the future.
17. I really enjoy travelling, so before s______ work, I’m going to travel. To g_____
the money to travel, I’m going to get a part- time job in a restaurant. I’m going to s_____ my money for six months and then I’m going to visit Egypt. I’m going to see the Pyramids and r_____ a camel! Of course, I’m going to take a lot of p______ on my trip so that I can remember it.
非常容易的事 18. When people say something is their piece of cake, they are saying it is something
they like or s they are especially fond of doing. ‘I r enjoy Chinese food. It’s my piece of cake,’ Olivia declared. ‘John is doing w in drama school,’ his mother said. ‘I think acting is h piece of cake.’ ‘It may be his piece of cake but it’s not m ,’ Alfred said.
19. There are two kinds of plants: flowering plants and non-flowering plants. Almost a_____ the trees around us are flowering plants. You can know some trees f____ their flowers and fruit .Non-flowering plants don’t grow flowers. You can’t see non-flowering plants around you. If you look c_____ at the plants around you, you will f______ that there are many kinds of plants. Some plants are large and others are small. Thanks to the plants around us, we can live on the earth.