Dung dịch đường dùng để tiêm hoặc truyền vào tĩnh mạch cho bệnh nhân là

A. glucozo

B. fructozo

C. amilozo

D. saccarozo

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 from 43 to 50

   In the exploration of the linguistic life cycle, it is apparent that it is much more difficult to learn a second language in adulthood than a first language in childhood. Most adults never completely master foreign language, especially in phonology - hence the ubiquitous foreign accent. Their development often "fossilizes" into permanent error patterns that no teaching or correction can do. Of course, there are great individual differences, which depend on effort, attitudes, amount of exposure, quality of teaching and plain talent, but there seems to be a cap for the best adults in the best circumstances.

   Many explanations have been advanced for children's superiority: they exploit Motherless (the simplified, repetitive conversation between parents and children), make errors oneself- consciously, are more motivated to communicate, like to conform, are not set in their ways, and have no first language to interfere. But some of these accounts are unlikely, based on what is known about how language acquisition works. Recent evidence is calling these social and motivation explanations into doubt. Holding every other factor constant, a key factor stands out: sheer age.

   Systematic evidence comes from the psychologist Elisa Newport and her colleagues. They tested Korean and Chinese-born students at the University of Illinois who had spent at least ten years in the United States. The immigrants were given a list of 276 simple English sentences, half of them containing some grammatical errors. The immigrants who came to the United States between the ages of 3 and 7 performed identically to American bom students. Those who arrived between the ages of 8 and 15 did worse the later they arrived, and those who arrived between 17 and 39 did the worst of all, and showed huge variability unrelated to their age of arrival.

Which of the following is TRUE about the research mentioned in the passage?

A. The participants spoke English as their first language.

B. The participants had just started living in the United States.

C. It was done by a group of people.

D. All items in the test were erroneous.

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks.

THE HISTORY OF WRITING

The development of writing (30) _______ a huge difference to the world and might see it as the beginning of the media. Pieces of pottery with marks on that are probably numbers have been discovered in China (31) _______ date from around 4000 BC. Hieroglyphics and other forms of "picture writing" developed in the area around Mesopotamia (modern-day Iraq), where the ancient Sumerian civilization was based, from around 3300 BC onwards. However, the first (32) _______ alphabet was used by the Phoenicians around 1050 BC. Their alphabet had 22 letters and it is estimated that it lasted for 1000 years. The first two signs were called "aleph" and "beth", which in Greek became "alpha" and "beta", which gave us the modern word "alphabet".

The modern European alphabet is based on the Greek and spread (33) _______ other European countries under the Romans. A number of changes took place as time passed. The Romans added the letter G, and the letter J and V were unknown to people in Shakespeare's time.

If we (34) _______ the history of punctuation, we also find some interesting facts. The Romans used to write quaesto at the end of a sentence in order to show that it was a Question. They started to write Qo in place of the whole word, and then put the Q above the o. In the end, that became the question mark "?"

Điền vào ô trống 34

A. look into

B. bring on

C. make off

D. hold up

Ở gà tính trạng lông đốm là trội hoàn toàn so với lông đen. Cho một con cái thuần chủng lai với một con đực thuần chủng thu được ở F₁ 50% ♂ lông đốm : 50% ♀ lông đen. Cho F₁ tạp giao với nhau thì ở F₂ có tỉ lệ kiểu hình là

A. 50% ♂ lông đốm: 50% ♀ lông đen

B. 100% lông đốm

C. 50% ♂ lông đốm: 25% ♀ lông đốm: 25% ♀ lông đen

D. 25% ♂ lông đốm: 25% ♂ lông đen: 25% ♀ đốm: 25% ♀ lông đen

Tính trạng do gen nằm ngoài nhân qui định có đặc điểm gì?

(1) Kết quả lai thuận khác lai nghịch.  (2) Tuân theo quy luật di truyền thẳng.

(3) Biểu hiện không đồng đều ở 2 giới.         (4) Biểu hiện kiểu hình ở đời con theo dòng mẹ

A. (3); (4).

B. (1); (4).

C. (1); (2); (4).

D. (1); (3); (4)