Môi trường bên ngoài chứa nồng độ chất tan cao hơn tổng nồng độ chất tan trong tế bào được gọi là gì?
"Bộ Đề Kiểm Tra Học Kì I - Năm Học 2023-2024 - Sinh Học 10" tổng hợp các đề kiểm tra từ các trường THPT trên toàn quốc, bám sát chương trình học. Các đề thi được thiết kế với các dạng câu hỏi trắc nghiệm và tự luận, tập trung vào các chủ đề: quang hợp, hô hấp ở thực vật, vận chuyển nước và ion trong cây, và cơ chế điều hòa ở động vật. Tài liệu giúp học sinh ôn tập hiệu quả, củng cố kiến thức lý thuyết, rèn luyện kỹ năng giải bài tập và chuẩn bị tự tin cho kỳ thi học kỳ I.
Câu hỏi liên quan
Read the passage carefully.
1. It is estimated that about 40 per cent of the world's population use social media, and many of these billions of social media users look up to influencers to help them decide what to buy and what trends to follow. An influencer is a person who can influence the decisions of his or her followers because of his or her knowledge or special knowledge in a particular area, e.g. fashion, travel, or technology. Influencers are now seen by many companies as a direct way to customers' hearts. Brands are now asking powerful influencers to market their products. With some influencers charging up to $25,000 for one social media post, it is no surprise that more and more people are keen to become influencers, too. If you are one of them, then here are five tips on how to do it.
2. Choose your niche: What is the area that you know most about? What do you feel most excited talking about? Find the specific area that you are most interested in and develop it.
3. Choose your medium and write an interesting bio: Most influencers these days are bloggers and micro-bloggers. Decide which medium – such as your own online blog, Instagram or Snapchat – is the best way to connect with your followers and chat about your niche area. When you have done that, write an attention-grabbing bio that describes you and your speciality area in an interesting and unique way. Make sure that people who read your bio will want to follow you.
4. Post regularly and consistently: Many influencers post daily on their social media accounts. The more you post, the more likely people will follow you. Also, make sure that your posts are consistent and possibly follow a theme.
5. Tell an interesting story: Whether it is a photo or a comment that you are posting, use it to tell a story that will catch the attention of your followers and help them connectwith you.
6. Make sure people can easily find your content: Publicize your posts on a variety of social media by hashtags and catchy titles to make sure that they can be easily found. There is no point writing the most exciting blogposts or posting the most attractive photographs if no one is going to see them.
7. Most importantly, if you want to become a social media influencer, you need to have patience. Keep posting and your following will gradually increase. Good luck!
Choose an option (A, B, C, or D) that best answers each question.
In the passage, which activity is advised for connecting with followers?
Chọn câu đúng. Cơ năng của chất điểm dao động điều hòa tỉ lệ thuận với
Nguyên tử không mang điện vì
Read the following passage about lifelong learning and mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions from 31 to 40.
My father was an enthusiastic traveller, but as he got older, he increasingly suffered from what he called “travel fever,” a vivid term for the acute anxiety felt before a journey, essentially due to uncertainty about all the things that could go wrong. Sadly, this eventually stopped him from going on holiday. Then I, too, started to suffer similar apprehension, so I consulted a psychotherapist. She recommended a small piece of cognitive behavioural therapy, which involved acknowledging the mental and physical symptoms of anxiety, but telling myself that these were essentially indistinguishable from feelings of excitement about the prospect of a journey. This reframing of my feelings has been reasonably effective – it’s one way of dealing with uncertainty.
It’s not just the uncertainty of travel that we all have to face. None of us knows what is going to happen, or what is currently going on outside our immediate knowledge, or the vast majority of what has happened in the past. Uncertainty has been called the “conscious awareness of ignorance,” and there is a lot we are ignorant about. We must navigate through life without complete information, and this fundamental uncertainty is an inescapable aspect of human existence.
We all have to live with this uncertainty and, as a statistician, it’s been my job to try to analyse data and assess some of the risks we face. (I)But some deal with uncertainty with more equanimity than others. (II) Psychological studies, as well as our own experience, reveal a wide variation in people’s responses, including those that are cognitive (how we think), emotional (how we feel), and behavioural (what we do). (III)For example, when faced with uncertainty, do you deny it or acknowledge it, does it put the wind up you or make you courageous, do you try to avoid it or approach it?(IV)
Of course, your response may depend on the context, just as an individual’s appetite for risk-taking can vary across different areas of their lives. I have known people who seemed to take huge physical risks, yet were very cautious with money. Numerous scales have been developed to measure how well people can deal with uncertainty, based on responses to statements ranging from “Unforeseen events upset me greatly” to “When it’s time to act, uncertainty paralyses me.” Those who score highly, and find it difficult to tolerate uncertainty, may also be at increased risk of clinically significant anxiety and depression.
Which of the following can be inferred from the passage?
Trong Python có mấy dạng lặp?
Hoạt động tiêu dùng có vai trò như thế nào đối với sản xuất, phân phối - trao đổi?
Tổ chức nào do Lê -nin thành lập năm 1895 được coi là mầm mống của Đảng mácxít cách mạng?
Hệ thống pháp luật Việt Nam được thể hiện qua đâu?
Read the following passage about The Elderly in Multicultural Societies: Challenges and Opportunities and mark the letter A, B, C or D on your answer sheet to indicate the best answer to each of the following questions from 23 to 30.
In multicultural societies, elderly individuals face unique challenges and important opportunities. As communities diversify rapidly, traditional support systems are constantly evolving. Seniors often navigate unfamiliar cultural environments while facing significant language barriers that lead to social isolation. These persistent obstacles frequently prevent full access to essential healthcare services or meaningful community participation. Fortunately, innovative local organizations address these critical issues by offering comprehensive translation services and culturally sensitive care options.
Technology presents both remarkable benefits and considerable difficulties for elderly individuals from various cultural backgrounds. Digital tools effectively connect seniors with distant family members globally, yet many older adults struggle substantially with these new communication methods. Recent research shows approximately 65% of elderly immigrants experience digital exclusion compared to native-born seniors. In response, numerous community centers have successfully established specialized technology workshops for older adults from diverse backgrounds, helping them maintain vital connections with overseas relatives and friends.
Cultural differences significantly impact elderly care approaches across communities. In collectivist cultures, elderly family members traditionally live with their children, while Western societies typically emphasize personal independence. This fundamental divergence creates tension when immigrant families attempt to adapt to new societal norms. However, vibrant multicultural environments provide valuable opportunities for exchanging diverse perspectives on aging. Many communities benefit tremendously from adopting hybrid approaches blending traditional cultural practices with modern care techniques, creating more comprehensive support systems.
Economic aspects of aging in multicultural contexts matter significantly for overall wellbeing. Elderly immigrants frequently face severe financial hardships due to limited retirement savings and persistent employment discrimination throughout their lives. Some progressive governments implement supportive policies addressing these vulnerable individuals' unique needs. Certain forward-thinking regions offer specialized employment programs for seniors with diverse cultural backgrounds, recognizing their valuable skills and extensive life experiences. Additionally, creative intergenerational initiatives connecting elderly immigrants with younger community members effectively foster mutual understanding and practical support, successfully transforming demographic challenges into meaningful community enrichment opportunities.
In which paragraph does the writer mention economic challenges and supportive initiatives for elderly immigrants?
Để được xét học bổng một kì học, sinh viên cần đạt cả hai điều kiện là x:"Điểm học tập ≥ 8.0" và y:"Điểm rèn luyện ≥ 80 điểm". Hãy tính giá trị điều kiện cho bảng dưới đây.
Cho tam giác ABC có BC = a, . Trên đường thẳng vuông góc với tại A, lấy điểm S thỏa mãn . Hình chiếu vuông góc của A trên SB, SC lần lượt là M, N. Số đo góc giữa hai mặt phẳng và bằng?
Một vật có khối lượng m dao động điều hòa với biên độ A. Khi chu kì tăng 3 lần thì năng lượng của vật sẽ
Cho một vật dao động điều hòa có phương trình dao động x = 5cos(2πt + ) cm. Xác định gia tốc của vật khi x = 3 cm
Nêu những ứng dụng của chất phóng xạ trong đời sống?
Read the passage carefully
1. Millions of people are using cellphones today. In many places, it is actually considered unusual not to use one. In many countries, cellphones are very popular with young people. They find that the phones are more than a means of communication - having a mobile phone shows that they are cool and connected.
2. The explosion in mobile phone use around the world has made some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health.
3. On the other hand, medical studies have shown changes in the brain cells of some people who use mobile phones. Signs of change in the tissues of the brain and head can be detected with modern scanning equipment. In one case, a traveling salesman had to retire at young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use, but his employer's doctor didn't agree.
4. What is it that makes mobile phones potentially harmful? The answer is radiation. High-tech machines can detect very small amounts of radiation from mobile phones. Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about.
5. As the discussion about their safety continues, it appears that it's best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it's wise not to use your mobile phone too often.
Choose an option (A, B, C, or D) that best answers each question:
What does the word “they” in paragraph 2 refer to?
Hàm số \(y=\frac{2x+3}{x+1}\) có bao nhiêu điểm cực trị?
Việc con người sử dụng các sản phẩm hàng hoá, dịch vụ để thoả mãn nhu cầu sản xuất và sinh hoạt là đang thực hiện hoạt động kinh tế nào?
Dầu mỏ và khí tự nhiên của Hoa Kì phân bố nhiều ở khu vực nào?
Tam thức \(y = – x^2 – 3x – 4\) nhận giá trị âm khi và chỉ khi
Tìm tất cả các giá trị của tham số \(m\) để đồ thị hàm số \(y=\frac{2 x+1}{\sqrt{m x^{2}+1}}\) có hai đường tiệm cận ngang.
