Trong không gian với hệ tọa độ , cho  và . Khi đó tọa độ của vectơ  bằng

Đâu là nhận định sai khi nói về thị trường?

Chọn một từ mà nghĩa của nó KHÔNG cùng nhóm với các từ còn lại?

Định luật vạn vật hấp dẫn của Newton được cho bởi công thức $F=G\dfrac{m_1.m_2}{r^2}$. Trong đó $F$ là lực hấp dẫn giữa hai vật thể bất kì, $G$ là hằng số hấp dẫn, $m_1,\,m_2$ là khối lượng các vật, $r$ là khoảng cách giữa chúng. Đồ thị của hàm số cho bởi công thức này có tiệm cận đứng là $r=0$, điều này có nghĩa là khi $r$ dần về $0$ thì lực hấp dẫn sẽ tiến đến

Vecto cường độ điện trường \(\vec{E}\) tại một điểm trong điện trường luôn

Read the following passage and mark the letter A, B, C, or D to indicate the correct word or phrase that best fits each the numbered blanks from 631 to 635.

“One month on since the devastating earthquake hit Türkiye and Syria, the scale of the humanitarian response has yet to meet the enormous needs of displaced Syrian families and children (631)_____have suffered from compounded crises for almost 12 years now,” said Johan Mooij, director of World Vision’s Syria crisis response. “It is crucial that (632)_____ access channels to northwest Syria remain open, and that aid deliveries are scaled up through earmarked funding for the emergency response. Only this will ensure that children’s mental health needs are covered, and their trauma addressed.”

Snow and bitter winter weather have placed children at great risk of hypothermia (633)_____ they struggle to survive in sub-zero temperatures. Many survivors have had to sleep in cars, outside, or in makeshift shelters. Doctors (634)_____ that children are also at risk of exposure to waterborne diseases such as cholera or Hepatitis A due to the damage to shelters and water infrastructure.

These children are now even more vulnerable to family separation, exploitation, and abuse. As buildings are deemed unsafe, they also are unable to return to school.

“In northern Syria, in particular, the threats to children from abuse were already extreme. The soaring poverty, within a warzone, now devastated by earthquakes, has created an unimaginable number of challenges, and suffering for children,” says Johan, director of the Syria crisis response in Amman, Jordan. “This earthquake has created the perfect environment for a health crisis -fueled by reduced healthcare capacity and disease (635)_____.”

Câu 634:

Rễ cây hấp thụ ion K⁺ cần phải tiêu tốn năng lượng ATP trong trường hợp nào dưới đây? 

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.

Dear Sam,

a. Our friendship taught me that different people can learn from each other. You helped me with math, and I helped you make new friends.

b. Remember when we had that big fight about the science project? I'm glad we found a way to work together.

c. Now, even though you moved to another city, we still talk every week. Distance cannot break our special bond.

d. I never thought we would become friends when we first met at school. You were so quiet, and I talked too much!

e. My parents were surprised when they saw how different we are, but now they always ask about you and your family.

Your friend forever,

LK

Quá trình Haber điều chế ammonia được biểu diễn bằng phương trình:

\({{\text{N}}_{2}}\left( g \right)+3{{\text{H}}_{2}}\left( g \right)\rightleftharpoons 2\text{N}{{\text{H}}_{3}}\left( g \right)\text{ }\!\!~\!\!\text{ }{{\text{ }\!\!\Delta\!\!\text{ }}_{r}}{{H}^{o}}=-92\text{ }\!\!~\!\!\text{ kJ }\!\!~\!\!\text{ mo}{{\text{l}}^{-1}}\).

Điều kiện nào sau đây sẽ làm tăng tốc độ phản ứng và tăng lượng ammonia tạo thành lúc cân bằng?

Khi vật dao động điều hòa, đại lượng thay đổi theo thời gian là

Nhận định nào dưới đây không phải ý nghĩa của việc chú trọng phát triển các ngành công nghiệp mũi nhọn?

Tư tưởng Duy tân khi đi vào quần chúng đã vượt qua khuôn khổ ôn hòa và biến thành cuộc đấu tranh nào?

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer questions.

Parents of a Tokyo elementary school are up in arms at being asked to pay 730 dollars for their child's school uniform. A public elementary school in Tokyo's upmarket Ginza district has decided to adopt new school uniforms designed by the luxury Italian designer Armani. The bespoke uniforms, which include a hat and bag, are priced at over 80,000 (730 dollars) each. Parents are angry at the school's decision and are protesting at what they view as the exorbitant price for a uniform of an eight-year-old chilThe school said it wanted a designer uniform that represented the rich area of GinzSchool officials visited top department stores and decided to ask the fashion brand Armani to design the uniform.

The expensive uniform has created such a fuss that it has been discussed in Japan's parliament. One lawmaker said that since the school is public and not private, "a certain price range needs to be considered". Finance Minister Taro Aso sai"Clearly it's expensive. It would be tough if a student could not afford to pay for it." Japan's education minister said steps would be taken to ensure the financial burden placed on parents for uniforms, "would not be excessive". Twitter users said young children are not interested in designer clothes. The school principal sai"With humility, I take the criticism that the explanation has been insufficient and not well-timeI will go on explaining carefully to those concerned."

(Source: https.//www.japantimes.co.jp/news/2018/02/09/national/armani-parents-question-pricey-uniforms-public-school-tokyos-ginza-district/)

Which of the following is closest in meaning to “up in arms” as used in the passage?

Việt Nam đặt dưới sự “bảo hộ” của người Pháp. Nam Kỳ là xứ thuộc địa. Bắc kỳ là đất bảo hộ. Trung kỳ giao cho triều đình quản lí”. Điều khoản trên được qui định trong Hiệp ước nào?

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions: studious century similar semester

Lệnh nào sau đây xoá toàn bộ danh sách?

Cho hàm số \(y=f\left( x \right)\) có bảng biến thiên như sau: