Trong các câu sau, có bao nhiêu câu là mệnh đề?

a) Tổng các góc trong một tam giác bằng $180{}^\circ.$

b) $x$ là một số nguyên.

c) Bạn có chăm học không?

d) Tổng hai cạnh của một tam giác lớn hơn cạnh thứ ba.

Chọn ý đúng: Nhận định không đúng về môi trường nhân tạo ?

Read the following advertisement and mark the letter A, B, C, or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 1 to 6. 

ANNOUNCEMENT OF A GRADUATION PARTY

Join us for an ___(1)___ Graduation Party this Friday evening!

Celebrate your achievements on a night ___(2)___ laughter, music, and memories. 

From a lively dance floor to interactive games, we've got it ___(3)___! Indulge in delicious treats and capture ___(4)___ moment at our photo booth.

Let's ___(5)___ this milestone remarkable! Don't miss out on the festivities – be there to share the joy and ___(6)___ your success!

Theo quy định của pháp luật, công dân được ứng cử vào các cơ quan đại biểu của nhân dân là người như thế nào?

Hoạt động tiêu dùng bao gồm bao nhiêu hình thức chính?

Cho tam thức bậc hai f(x) = ax\(^2\) + bx + c có đồ thị như hình vẽ dưới đây

Bảng biến thiên của tam thức bậc hai là

Tiệm cận xiên của đồ thị hàm số \(y=\frac{{{x}^{2}}-2x+3}{x+1}\) là:

You are important to your family, because you fill a special place in your family ____ no one else can fill.

Choose the correct answer to complete each of the following sentences.

Ryan __________ the shirt to the store as it was of the wrong size.

Mark the letter A, B, C, or D on your answer sheet to indicate the best arrangement of utterances or sentences to make a meaningful exchange or text in each of the following questions from 13 to 17 

a. Sally: Definitely! This score opens so many doors, and I’m aiming for a university in Australia.

b. Janna: That clearly paid off! You must feel so proud. Are you planning to study abroad now?

c. Sally: Hey Janna, guess what? I just got my IELTS results, and I scored an 8.0!

d. Janna: Wow, Sally! That’s amazing! Congratulations! How did you manage to achieve such a high score?

e. Sally: Thanks! I focused a lot on practicing my speaking and writing skills, and I took mock tests regularly.

Read the following passage about Asia’s culture and mark the letter A, B, C or D on your answer sheet to indicate the best answer to each of the following questions

[I] Chemicals are present everywhere in our environment, some of which occur naturally, while others are the result of human activities. [II]. They are found in the air, water, and soil, and can have both positive and negative impacts on the ecosystem. Some chemicals, like nutrients, help support life by promoting plant growth [III]. However, others, especially synthetic chemicals such as pesticides, fertilizers, and industrial waste, can be harmful to both the environment and human health. [IV]

The widespread use of pesticides and fertilizers in agriculture has been a major cause of chemical pollution. When these chemicals are used improperly or excessively, they can wash into rivers, lakes, and oceans, leading to water pollution. This runoff can also contribute to the depletion of oxygen in water bodies, a process known as eutrophication. Eutrophication harms aquatic life, disrupting ecosystems and causing the death of fish and other organisms that rely on oxygen.

Toxic chemicals such as heavy metals (e.g., mercury and lead) pose additional threats to the environment and human health. These substances can accumulate in the food chain, starting from plants and animals in contaminated areas and eventually reaching humans. Long-term exposure to these chemicals can lead to serious health issues, including neurological disorders, cancer, and other chronic conditions. Many countries have established regulations to limit the use of harmful chemicals, but enforcement remains a challenge.

Efforts to reduce chemical pollution involve a combination of government regulations, technological innovations, and public awareness. Governments worldwide have introduced stricter rules on the use of hazardous chemicals and encouraged the development of eco-friendly alternatives. These regulations aim to limit the harmful impact of chemicals on the environment, encouraging industries to adopt safer practices. Environmental organizations play a vital role in monitoring chemical pollution, raising awareness, and advocating for cleaner technologies. They work closely with policymakers to ensure effective enforcement of environmental laws. While progress has been made, ongoing efforts are needed to address emerging challenges and ensure a safer and healthier environment for future generations.

According to paragraph II, which of the following is NOT a consequence of chemical pollution?

Read of the following leaflet and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 7 to 12.

DISCOVER THE SMART GREEN HOME - THE FUTURE IS HERE

Save Energy, Save Money, Save the Planet!

Our smart homes use less energy than (7)_________ on the market today. Smart technology helps you (8)_________ renewable energy sources easily!

The (9)_________ of solar panels takes only two days. (10)_________ saving money, you will help protect our environment.

The (11)_________ of our smart systems is proven by thousands of happy customers. A (12)_________ of our customers save up to 40% on energy costs!

SPECIAL OFFER THIS MONTH:

Free consultation and home assessment!

CONTACT US:

Phone: 555-123-4567

Email: info@smartgreenhome.com

Website: www.smartgreenhome.com

Visit our showroom: 123 Green Street, Eco City

Make your home smart today for a better tomorrow!

Choose A, B, C or D that has the CLOSEST meaning to the given sentence in each question.

The increasing popularity of social media platforms has raised concerns about their potential negative effects on young people's mental health.

Khi tìm kiếm sự sống ngoài Trái Đất, các nhà khoa học tìm kiếm yếu tố nào đầu tiên?

Nội dung nào dưới đây không đúng khi bàn về vấn đề đạo đức trong kinh doanh?

Khi xảy ra hiện tượng siêu dẫn thì

Cho hình chóp \(S.ABCD\) có đáy \(ABCD\) là hình thang, \(AB\text{//}CD\). Gọi \(M\),\)N\), \(Q\) lần lượt là trung điểm của \(BC\), \(AD\) và \(SB\). Giao tuyến của hai mp \(\left( SAB \right)\) và \(\left( MNQ \right)\)?

Khi phân tích sơ đồ phát sinh chủng loại về một số tính trạng của các nhóm động vật có xương sống ở hình bên, nhận xét nào sau đây đúng?

Một viên đá được thả rơi tự do. Cho biết trong giây cuối cùng trước khi chạm đất, vật đã rơi được đoạn đường dài 19,6 m. Lấy gia tốc rơi tự do g = 9,8 m/s². Thời gian rơi tự do của viên đá là