Choose the letter A, B, C or D to indicate the word that differs from the other three in the position of stress in each of the following questions.

She is a very. generous woman. She has given most of her wealth to a charity organization.

Tìm a là số thực thỏa mãn $\underset{x\to +\infty }{\lim }\left(\frac{2x^2+1}{x^2+2x+3}+a^2+3a\right)=0$ .

Those clothes are inappropriate for this morning.

The competition was aimed to stimulate the learning spirit among students.

He seems to ignore whatever we say to him, which is rather annoying.

b) Tính tổng T = s₁ + s₂ + ... + s_n + ...

Choose the letter A, B, C or D to indicate the word that differs from the other three in the position of stress in each of the following questions.

The guests at the party last night refused to eat the raw fish.

Cho hình vuông H₁ có cạnh bằng a. Chia mỗi cạnh của hình vuông này thành bốn phần bằng nhau và nối các điểm chia một cách thích hợp để có hình vuông H₂. Lặp lại cách làm như trên với hình vuông H₂ để được hình vuông H₃. 

Tiếp tục quá trình trên ta nhận được dãy hình vuông H₁, H₂, H₃, ..., H_n, ... Gọi s_n là diện tích của hình vuông H_n.

a) Tính s_n.

A loss of social values means our society is deteriorating.

Travel insurance is sometimes mistaken for temporary health insurance, but the two are actually different.

Viết các số thập phân vô hạn tuần hoàn sau dưới dạng phân số:

b) 2,(121).

Punctuality is imperative in your new job.

During the five-decade history the Asian Games have been advancing in all aspects.

Viết các số thập phân vô hạn tuần hoàn sau dưới dạng phân số:

a) − 0,(31);

Choose the letter A, B, C or D to indicate the word that differs from the other three in the position of stress in each of the following questions.

In most countries, compulsory military service doesn’t apply to women.

Tìm giới hạn của dãy số (u_n) với  $u_n=\frac{n\sqrt{1+2+\mathrm{...}+n}}{2n^2+3}$.

He had never experienced such discourtesy towards the president as it occurred at annual meeting in May.

A chronic lack of sleep may make us irritable and reduce our motivation to work.

Choose the letter A, B, C or D to indicate the word that differs from the other three in the position of stress in each of the following questions.

We’d better speed up if we want to get there in time.

When he passes the entrance exam, his parents will be walking on air.

Cho dãy số (u_n) thỏa mãn |u_n| ≤ 1. Tính $\underset{n\to +\infty }{\lim }\frac{u_n}{n+1}$ .

Choose the letter A, B, C or D to indicate the word that differs from the other three in the position of stress in each of the following questions.

After her husband's tragic accident, she took up his position at the university.

A trial must be fair and impartial.

Choose the letter A, B, C or D to indicate the word that differs from the other three in the position of stress in each of the following questions.

There was an abrupt change in the weather.

Cho phương trình x⁷ + x⁵ = 1. Mệnh đề đúng là

The dim lights made it hard to see, so Ben squinted to make out the stranger’s face in the distance.

We are now a 24/7 society where shops and services must be available all hours.

Cho hàm số $f\left(x\right)=\frac{x\left(x-1\right)}{\sqrt{x-1}}$ . Hàm số này liên tục trên

Choose the letter A, B, C or D to indicate the word that differs from the other three in the position of stress in each of the following questions.

All children can attend without paying fees at state schools.

Unless the two signatures are identical, the bank won’t honor the check.

Xét hàm số $f\left(x\right)=\left\{\begin{array}{l}\frac{x^2+3x+2}{x+1}n{ê}^{\text{'}}ux\ne -1\\ mn{ê}^{\text{'}}ux=-1\end{array}\right.$   với m là tham số. Hàm số f(x) liên tục trên ℝ khi

Population growth rates vary among regions and even among countries within the same region.

The shop assistant has to break off the conversation to serve a customer.