Cho bạn nào có câu hỏi giống mình mà vẫn chưa tìm được câu trả lời. Solar energy brings us both benefits and drawbacks. One of the biggest advantages is that it is a renewable energy source. Energy can be produced as the sun lasts forever. Therefore, solar energy can really be called as a long- term energy source. Furthermore, that is a non- energy source of pollutants such as zero carbon dioxide or other gases in electricity generation. Beside those benefits, solar energy also has some drawbacks. The initial installation cost of solar cells is quite high, so not all people can use it. Also, it can not effectively work in cold weather due to the scarcity of sunlight. In conclusion, we can't deny the advantages of solar energy, but it still exists some disadvantages.

Refer:

Modern society is constantly developing, and the appearance of the Internet has opened up a whole new era of access and sharing of information. This brings a tremendous reform and benefits to all humanity. In our lives there are innumerable questions that need to be answered, and the Internet was born as a useful tool to help us solve those questions. Searching for information in the past has cost humanity a lot of time and effort, and not everyone had patience to turn the pages one by one to find the information they needed. However, our lives have changed tremendously since the arrival of the Internet, and the search of general information on the Internet has not consumed us much more than mouse clicks and keyboard typing. This is where most basic and specialist information is gathered from the majority of occupations and fields in our life. There are countless websites that contain useful information for research and study, and Wikipedia is now considered to be the most complete and accurate encyclopedia. Searching the Internet is simple, but we should also be careful in getting that information. Not all knowledge on the Internet is accurate and complete, so we need to compare information from many different sources before actually using any of them for our purposes. The Internet is an infinite ocean of knowledge, and we can learn countless things if we know how to use it properly.

For a long time, television has been regarded as a saving means of entertainment and acquiring useful knowledge. However, besides the benefits mentioned above, it also brings a lot of harm because of the following reasons. First, watching TV takes up a lot of our time. I do not deny the benefits such as entertainment or education that it brings. However, instead of spending all the day just watching TV, we can do some useful works such as doing homework, helping mother to do housework. Through that, we can gather for ourselves a lot of soft skills and become closer to the other. Second, sitting too close to the TV screen will make harm affect on our health. Studies have shown that sitting near television will shorten our vision, in addition increase the risk of cardiovascular diseases and degeneration of the neck vertebrae ... These are the disadvantages that no one expects. Therefore, let's limit the amount of time spending watching TV and save that time doing other useful things.

Loi ich:

Television is very important for our lives so most families have televisions. It provides us with information and entertainment.
What would you do after a hard day at school or at work and you want to entertaining. It simple, just turn on your TV. Music channel, comedy channel or cartoon channel... is your choice, just pick a channel. And not only entertaining, TV can also help you update the news from all over the world in the end of the day
We stay at home and know what is happens all over the world. You can watch you favourite  programs and game shows you . Someone spends 3 or 4 hours sitting in front of television.
There are too much advertisements on television which makes us tired. Anyway, TV is a wonderful invention. It is a cheapest kind of entertainment for everybody.

Tac hai:

For a long time, television has been regarded as a saving means of entertainment and acquiring useful knowledge. However, besides the benefits mentioned above, it also brings a lot of harm because of the following reasons. First, watching TV takes up a lot of our time. I do not deny the benefits such as entertainment or education that it brings. However, instead of spending all the day just watching TV, we can do some useful works such as doing homework, helping mother to do housework. Through that, we can gather for ourselves a lot of soft skills and become closer to the other. Second, sitting too close to the TV screen will make harm affect on our health. Studies have shown that sitting near television will shorten our vision, in addition increase the risk of cardiovascular diseases and degeneration of the neck vertebrae ... These are the disadvantages that no one expects. Therefore, let's limit the amount of time spending watching TV and save that time doing other useful things.

Cảm ơn các bạn nhé! Mình bảo đừng coppy mạng cơ mà các bạn làm bài về tác hại vẫn giống nhau đấy!

The way in the zoo is cemented. The flowers in the path decorate the zoo fresh cool. Animals and birds are raised in an iron bar. There are many strange animals. Beautiful splendor is the peacock with colorful tail tail fan. A public barn has a male drummer and five or six coffins. In his "kingdom", he made his appearance, batting smoothly. Going further steps, we go to the breeding area of ​​the beast. The shelter is solid, the bar is thick and thick. Inside the tiger, lion, lion, rhinoceros, hippopotamus ... each cage has one to two children. Tiger with soft body, flexible, very beautiful color. Beautiful and bright tiger eyes. Kia is a lion's cage, the lion with a fierce feather, looking very majes. The lion man himself a cage, he has a long time, sometimes head to look at tourists. The most monkeys are monkeys. Seven monkeys kept a cage. They talk to each other, sometimes hissing sound very sharp. Monkeys have hands, feet human hands. She grasped the food, swinging in the cage with her long and skillful arm. Each animal cage has the name of the animal in the barn and the board prohibits visitors for food. Therefore, visitors to the zoo can only see, listen to the guide explained not to eat. However, at the same time a few bold boy cane sugar, sweet potatoes to feed. Most impressed with me is the camel house. The camel with the hump on his back is very funny, cute. Camel high, great but gentle. A camel has four or five in common. They are in harmony with each other. Visitors to the zoo pretty crowded. Calling each other, admiring the visitors to do the bustling, bustling. Each group of visitors and children as much as the flow because it is a holiday. Despite the excitement but every tourist group has the discipline and show a civilized lifestyle, but the zoo is crowded but still orderly and fun. Slowly in the forest colorful people colorful, the blue shirt of the zoo staff softly decorated the zoo elegant, polite and warm. Some of the staff explained something to the guest and the laughter rose, bursting out, it was refreshing.

Television is a breakthrough invention of human, however, it has both advantages and drawbacks. First, take a look at its benefits. TV is a huge source of information with a wide variety news and instruction channels. You now can learn through TV and update news about what is happening in the world. Television also provides a huge knowledge of many fields including natural science, social science,… Besides, Television is a common type of entertainment thanks to a wide range of music TV programs, cartoons, reality shows or funny programs. On the other hand, television has some outstanding disadvantages. In fact, many people become addicted to Television and turn it on all day. Especially to children, they don’t want to go out to play with friends or focus on study. They just sk their eyes to the screen without wanting to leave. Some programs even contain violent and criminal content, which influence negatively on children. Also, spending hours watching TV is harmful to your eyesight and wasting your time. With that amount of time, you can do something more beneficial such as playing sports, doing physical exercises or learning new skills. In summary, nowadays, television is indispensable and its benefits outweigh its drawbacks.

Dịch

Ti vi là một phát minh đột phá của con người, tuy nhiên, nó có cả lợi thế và hạn chế. Trước tiên, hãy nhìn vào các lợi ích của nó. TV là một nguồn thông tin khổng lồ với nhiều kênh tin tức và kênh hướng dẫn. Bây giờ bạn có thể học qua TV và cập nhật tin tức về những gì đang xảy ra trên thế giới. TV cũng cung cấp nhiều kiến ​​thức về nhiều lĩnh vực như khoa học tự nhiên, khoa học xã hội, ... Bên cạnh đó, truyền hình là một loại hình giải trí phổ biến nhờ vào một loạt các chương trình truyền hình âm nhạc, phim hoạt hình, chương trình thực tế hay các chương trình hài hước. Mặt khác, truyền hình có một số bất lợi lớn. Trên thực tế, nhiều người trở nên nghiện tivi và bật nó cả ngày. Đặc biệt đối với trẻ em, chúng không muốn đi chơi với bạn bè hoặc tập trung vào việc học tập. Chúng chỉ dán mắt vào màn hình mà không muốn rời đi. Một số chương trình thậm chí còn chứa nội dung bạo lực và tội phạm, ảnh hưởng tiêu cực đến trẻ em. Đồng thời, dùng hàng giờ để xem TV có hại cho thị lực của bạn và lãng phí thời gian của bạn. Với khoảng thời gian đó, bạn có thể làm điều gì đó có lợi hơn như chơi thể thao, tập thể dục hoặc học các kỹ năng mới. Tóm lại, ngày nay, TV là không thể thiếu và lợi ích của nó lớn hơn những hạn chế của nó.

Lợi ích của nguyên sinh vật:

+Làm thức ăn cho các loài đông vật nhỏ

+Nguyên sinh vật khi phát triển nhanh tạo ra mật độ lớn có thể làm cho màu nước ao ,hồ thay đổi giúp nhận biết sự thay đổi môi trường nước.

Tác hại của nguyên sinh vật

+Gây ra các loại bệnh ảnh hưởng đến con người

Ví dụ:

trùng sốt rét gây bệnh sốt rét :Trùng sốt rét được muỗi anophen truyền vào máu người ,chúng chui vào hồng cầu kí sinh ,sinh sản cùng một lúc làm vỡ hồng cầu gây bệnh sốt rét

trùng kiết lị gây bệnh kiết lị :Trùng kiết lị theo thức ăn,nước uống vào ống tiêu hóa của người.Đến ruột,trùng kiêt lị chui ra khỏi bào xác,gây các vết lở loét ở niêm mạc ruột rồi nuốt hồng cầu ở đó để tiêu hóa và sinh sản rất nhanh .Trùng kiết lị gây ra bệnh kiết lị nguy hiểm cho con người

thank  you!!!!!