- The sea looks very beautiful when the sun is shining on it. But it can be very terrible when there is a strong wind. ...
- Dolphins are not fish. They are mammals (哺乳动物).They live in groups and speak to each other in their own language....
- Can you imagine astronauts' everyday life in space? They also need to eat, sleep, exercise and relax. They do the sam...
- Scientists (科学家) think that many animals cannot see colours. The world is black and white to them. Scientists want...
- 根据短文内容判断正误,正确的在括号里填A, 错误的在括号里填B。School bus safety starts with you, every morning and eve...
- Ask someone what they have done to help the environment recently and they will almost mention recycling, which is the...
- WIRES is short for Wildlife Information and Rescue Service. It is an Australian organization, established(成立) in 19...
- 根据短文内容,选择正确的选项。The world itself is becoming much smaller by using modern traffic and modern communicat...
- 根据短文内容,判断句子正(T)、误(F)。Most animals are helped by people. They can’t live without us. But sometimes ...
- Many people go to school for education.They learn languages,history,geography, physics , chemistry and math.Other...
- The aim of students who came to school is to study. But to study requires (需要) a right way, or you waste either the...
- The best way of learning a language is using it .The best way of learning English is talking in English as much as po...
- Do animals have a culture? What do we mean by "culture"? Recently social scientists have begun to ask if culture is f...
- Hearing is very important to all of us. We can 36 beautiful music, nice songs of birds, the laughter of people or oth...
- Can you imagine keeping an alien dog as a pet? This is what happens in CJ7—the so-called “first Chinese sci-fi(科幻...