题型:阅读判断 题类:常考题 难易度:容易
河南省郑州市2018-2019学年七年级下学期英语期末考试试卷(含听力音频)
What is an egg? Birds and fish give birth to many babies at one time. They can do this by laying (产) many eggs. The baby birds or the baby fish stay in eggs until they are ready to be born. What do eggs look like? When you make a fried egg, you can see a yellow part and a white part. The yellow part of the egg becomes a chick. The chick eats the white part until it comes out of the egg.
What is a fruit? Why do plants have fruits? A fruit is the house of seeds (种子). Plants grow flowers to make fruits. Fully grown fruits fall down. Then, the seed grow root (根) under the ground. What happens next? Another plant grows! Usually seeds grow inside of a fruit, but strawberry seeds grow outside of the fruit.
Teenagers are known for being creative and full of new ideas. Let's have a look at these teenage inventions that might change the world.
Banana leaves usually go bad in two or three days. Tenith Adithyaa, a teenager from India, used UV to make the leaves stay fresh for a year. Tenith thinks that one day the leaves will be used for making plates, cups and other things. |
David Cohen, an American teenager, built an earthworm(蚯蚓) robot. It is able to go into the smallest places, where humans or dogs can't go. It will be used for finding people in a fire or an earthquake.
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Remya Jose, a 14-year-old from India, found it tiring and boring to handwash clothes in the nearby river. She reused some bicycle parts and created a washing machine that saves time, energy and keeps people fit at the same time. |
Kenneth Shinozuku, a 15-year-old from New York, noticed that his grandfather who got Alzheimer's disease(老年痴呆) would often leave home and get lost. So he invented the wearable sensors(感应器)to help people find their family members like his grandfather. |
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