- Expert(专家) say that students usually need eight to ten hours’ sleep at night, but most Chinese students do not get ...
- If you are writing or studying, it makes much difference where the light comes from. People use 36 and pens every day...
- Many places in the world need more fresh water. Every country is trying to find ways to turn salt water into fresh. W...
- Homework should be done as soon as you get home from school. If you have after-school activities, the homework should...
- Maybe you are more interested in sports than in history. You probably think you will never be a top student. 31 , any...
- 小题1:We may see this in a _______.A.newspaperB.magazineC.textbookD.dictionary小题2: Which word can be both a nou...
- Want to save the environment? You probably can’t fix everything on your own, but by taking small steps and keeping th...
- Choose the best answer to complete the passage.You’ve just finished with middle school and you may start wondering, “...
- The good things about computer gamesThey’re fun!They can improve hand-eyecoordination. That means you can think and d...
- The weather can influence(影响)intelligence(智力). For example, in a 1983 report by scientists, IQ of a group of stud...
- Scientist Without LaboratoriesWhen you hear the word “scitentist”, what do you think of? Many people think scientist ...
- The computers changed our lives in the 1980s, the Internet changed our lives in the 1990s, and the robots will change...
- A fish that lives in America can live out. of water for months at a time, similar to how animals got used to land mil...
- In many high schools,there are strict rules about using mobile phones. If your phone rings in class,for example,th...
- Children arc children after all, and most of them speak their mind. When they are just toddlers(幼儿), they are all l...