Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the questions.

       Before photography was invented in 1839, painted portraits, and engravings based on them, were one of the few ways to record likenesses. From the Colonial era through the 1820s, portraiture was the most widely practiced genre of American art, and it continued to be a significant form through the 19th century. The demand for likenesses was incessant, and portraiture was often the primary source of income for artists. Artists frequently made portraits of famous people to attract interest and potential patrons. For example, in 1834 Chester Harding painted frontiersman Davy Crockett, then a member of the U.S. House of Representatives, for display in hisBostongallery.

       A consistent belief through most of the 18th and 19th centuries was that character could be read from a person's face, or the bumps on his or her head, or from facial expressions, and that portraits should convey these indicators of character. These theories of physiognomy and phrenology have since been debunked, but they were important considerations in depicting the nation's leaders, since such portraits were often made for posterity. Most people had only one portrait painted in their lifetime, if at all, so artists were selected with great care, and expectations were high.

       Before the 1840s, American portraiture was influenced primarily by English techniques, poses, compositions and gestures, and many artists received at least part of their training inEngland. Even canvas sizes followed the British example. Portraits made on commission were priced according to canvas size and the materials and labor involved.

            In the late 19th century as European portraitists began traveling to the United States to acquire commissions from the growing upper class, American artists increasingly felt they needed to train abroad in order to succeed at home. Paris continued to be the main lure as painters such as Eakins, Whistler, Beaux and Sargent went to study there. Some of America's best-known portraitists, in fact, became expatriates.

Why does the author mention Davy Crocket in paragraph 1?

A. as an example of an artist using a famous person to gain attention to his work 

B. as an example of the types of people who could afford to pay for their portrait to be painted 

C.  because Crocket was also a famous artist 

D. because gallery owners often had famous people as patrons

Martin Luther King Jr, after his father's assassination,_________the mission of his father to fight for the rights of blacks in America and achieved some notable success in the 1970s.

A. continuing

B. and continues

C. continue 

D. continued

Alen B có 2100 liên kết hiđrô, số Nuclêôtit loại G là 200 Nuclêôtit. Alen B bị đột biến thành alen b có chiều dài 272nm và có số liên kết hiđrô tăng thêm 1. Có bao nhiêu nhận xét đúng dưới đây:

(1) Alen đột biến b dài hơn alen B

(2) Là loại đột biến thay thế 1 cặp A-T bằng 1 cặp G-X

(3) Số Nuclêôtit loại G của gen b là 501

    (4) Tỉ lệ A/G của alen b là 5/3

A. 4         

B. 2

C. 3

D. 1

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

In the West, cartoons are used chiefly to make people laugh. The important feature of all these cartoons is the joke and the element of surprise which is contained. Even though it is very funny, a good cartoon is always based on close observation of a particular feature of life and usually has a serious purpose.

Cartoons in the West have been associated with political and social matters for many years.  In wartime, for example, they proved to be an excellent way of spreading propaganda. Nowadays cartoons are often used to make short, sharp comments on politics and governments as well as on a variety of social matters. In this way, the modern cartoon has become a very powerful force in influencing people in Europe and the United States.

Unlike most American and European cartoons, however, many Chinese cartoon drawings in the past have also attempted to educate people, especially those who could not read and write. Such cartoons about the lives and sayings of great men in China have proved extremely useful in bringing education to illiterate and semi-literate people throughout China. Confucius, Mencius and Laozi have all appeared in very interesting stories presented in the  form  of  cartoons.  The  cartoons  themselves have thus served to illustrate the teachings of the Chinese sages in a very attractive way.

In this sense, many Chinese cartoons are different from Western cartoons in so far as they do not depend chiefly on telling jokes. Often, there is nothing to laugh at when you see Chinese cartoons. This is not their primary aim. In addition to commenting on serious political and social matters, Chinese cartoons have aimed at spreading the traditional Chinese thoughts and culture as widely as possible among the people.

Today, however, Chinese cartoons have an added part to play in spreading knowledge. They offer a very attractive and useful way of reaching people throughout the world, regardless of the particular country in which they live. Thus, through cartoons, the thoughts and teachings of the old Chinese philosophers and sages can now reach people who live in such countries as Britain, France, America, Japan, Malaysia or Australia and who are unfamiliar with the Chinese culture.

Until recently, the transfer of knowledge and culture has been overwhelmingly from the West to the East and not vice versa. By means of cartoons, however, publishing companies in Taiwan, Hong Kong and Singapore are now having success in correcting this imbalance between the East and the West.

Cartoons can overcome language barriers in all foreign countries. The vast increase in the popularity  of these cartoons serves to illustrate the truth of Confucius’s famous saying “One picture is worth a thousand words.”

The passage is intended to present_________.

A. a description of cartoons of all kinds the world over

B. an opinion about how cartoons entertain people

C. an outline of Western cartoons and Chinese cartoons

D. a contrast between Western cartoons and Chinese cartoons

In Britain, most pupils transfer from primary to________school at the age of 11

A. secondary                   

B. elementary                  

C. upper                           

D. middle

Cho các phát biểu sau:

(a) Anbunin là protein hình cầu, không tan trong nuớc.

(b) Animoaxit là hợp chất hữu cơ tạp chức.

(c) Saccarozo thuộc loại đisaccarit.

(d) Công thức tổng quát của amin no, mạch hở đơn chức là C_nH_2n+3N.

(e) Tất cả các peptit đều có phản ứng với Cu(OH)₂ tạo hợp chất màu tím.

(f) Trong phân tử tetrapeptit mạch hở có 3 liên kết peptit.

(g) Lực bazơ của metylamin mạnh hơn đimetylamin.

Số phát biểu đúng là

A. 2.

B. 5.

C. 4.

D. 3.

Joanne is criticising Alex for taking a late flight. Choose the most suitable response to fill in the blank in the following exchange.       Joanne: “You should have flown with the earlier flight!”              Alex: “___________________”

A. Oh, I’m sorry to hear that                               

B. It was fully booked.

C. Yes, I should                                                             

D. Why not?