Bottle with a greatly narrowed flow channel for the common passage of air and flue as a function of the signal.SCHNUERLE CARL, DE
酸雨) or destroying the ozone layer (臭氧层). As for human beings, air pollution causes all kinds of breathing problems. There are several reasons for air pollution. Firstly, many cities have a lot of factories and there we need to make food, clothing and other th...
Try to find more information about the passage and its writer. It is useful for us to understand the main idea, writing purpose and also the feelings of the writer. Make a note of what you should improve. It is more important to know where you are but not what you know. In this ...
To preserve food, the growth of bacteria (细菌) must be controlled. Water, warmth, and food are all needed for bacteria to become strong and healthy. Some kinds of bacteria need air, but other kinds grow only when air is absent. Extremes of temperature, either hot...
As a result, they feel overworked and burned out, and hardly have time to relax and escape from everybody routine(常规). Furthermore, there is no doubt that in the past, the environment was much better than today with fresh water, air and food, but today we face air, water and noise...
【推荐1】Directions: After reading the passage below, fill in the blanks to make the passage coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the word; for the other blanks, use one word that best fits each blank. ...
for children. We know this because some of these stories have existed for hundreds of years and were passed down from generation to generation t hrough songs and drama. T hey were considered entertainment for everyone, not only for young people. In these ancient stories, the heroes were ext...
Weekends, air conditioners (空调), takeouts… are all common things for modern people. Have you ever wondered if ancient people enjoyed the same lifestyles? Let's take a look. No weekendsIn ancient China, there were no weekends because people did not use a weekly calendar. But they could...
Canada geese’s daily activities may damage gardens and landscaping. Geese may also cross roads when searching for food or walking between nesting sites and bodies of water, slowing movement or posing a potential risk on the roadway.(随着加拿大鹅数量的增加,它们与人类的冲突也在增加。加拿大鹅的...
A Weekends, air conditioners (空调), takeout... are all common things for modern people. Have you ever wondered if ancient people enjoyed the same lifestyles? Let's take a look.No weekends In ancient China, there were no weekends. because people did not use a weekly calendar. But they ...