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.

  Set in the red desert of central Australia is the mining town of Coober Pedy. At first sight, the town looks similar to many other such communities, but Coober Pedy is different. Sixty per cent of its population of 4,000 people lives underground. There are today about 800 underground houses as well as shops, hotels and even churches in the town and the surrounding hills. Once a site has been chosen, special tunneling machines are (30) _______ in to create passages and rooms in the sandstone. Rock pillars are left to support the roof, and doors and windows are cut into the front. Houses are of all shapes and (31) ________, the largest having twenty rooms, and some even have their own swimming poll.

  Living underground may sound strange but in fact it has a number of advantages. In summer, the temperature outside can reach an astonishing 47°C, and in winter the nights can be (32) _______                       cold. However, inside the houses it remains a steady 25°C all year round. Many people say that living underground makes they feel very secure. There is no problem with noise from the neighbours and the

houses are not affected. By the fierce dust storms that regularly sweep (33) _________ the area. And of course, if your family (34) ____________ or lots of friends come to stay, you can always dig another room.

Điền vào số 32

A. strongly

B. heavily

C. extremely

D. sharply

Cho từ từ 0,2 lít dung dịch HCl 1M vào 0,2 lít dung dịch hỗn hợp KOH 0,5M và K₂CO₃ 0,4M đến phản ứng hoàn toàn thu được V lít khí (đktc). Giá trị của V là

A. 0,448

B. 2,240

C. 0,336

D. 1,120

X, Y, Z là 3 este đều đơn chức, mạch hở (trong đó Y và Z không no chứa một liên kết C = C và có tồn tại đồng phân hình học). Đốt cháy 21,62 gam hỗn hợp E chứa X, Y, Z với oxi vừa đủ, sản phẩm cháy dẫn qua dung dịch Ca(OH)₂ dư thấy khối lượng dung dịch giảm 34,5 gam so với trước phản ứng. Mặt khác, đun nóng 21,62 gam E với 300 ml dung dịch NaOH 1M (vừa đủ), thu được hỗn hợp F chỉ chứa 2 muối và hỗn hợp gồm 2 ancol kế tiếp thuộc cùng dãy đồng đẳng. Khối lượng của muối có khối lượng phân tử lớn trong hỗn hợp F là

A. 4,68 gam.

B. 8,64 gam.

C. 8,10 gam.

D. 9,72 gam.

Cho các phép lai (P) giữa các cây tứ bội sau đây:

(I) AAaaBBbb x AAAABBBb (II) AaaaBBBB x AaaaBBbb

(III) AaaaBBbb x AAAaBbbb   (IV) AAaaBbbb x AAaaBBbb

Biết rằng các cây tứ bội giảm phân chỉ cho các loại giao tử lưỡng bội có khả năng thụ tinh bình thường. Nếu một cặp gen qui định một cặp tính trạng và tính trạng trội là trội hoàn toàn thì có bao nhiêu phát biểu sau đây là đúng về kết quả ở đời F₁ của các phép lai trên?

(1) Có 2 phép lai cho có 12 kiểu gen.

(2) Có 3 phép lai cho có 2 kiểu hình.

(3) Có 3 phép lai không xuất hiện kiểu hình lặn về cả hai tính trạng.

(4) Phép lai 4 cho số loại kiểu gen và số loại kiểu hình nhiều nhất trong các phép lai.

A. 1

B. 2

C. 3

D. 4

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.

As teenagers approach university level, a decision has to be made on what course to pursue. In this world of diversity, (23) ________ such a choice is not easy for both children and parents. In the old days, it was not much a problem to do the task because there were not so many diverse learning areas to choose from. Besides, there were only a few distinctive professional careers like doctor, engineer, accountant, nurse, teacher, etc. to think about. Most higher learning usually led to a financially successful life. (24) ________, the cost of education was not so high.

Today’s world is entirely different from the things (25) ________ have just been described. The job market is constantly changing due to innovative technology and new (26) ________. Meanwhile, most teenagers have difficulty in identifying their own interests. There are a variety of well-organized career talks and student counseling workshops to guide and help teenagers (27) ________ what course to take. Furthermore, psychological tests are also used. Certain instruments such as surveys, interviews and computer software can help to find out preferences, interests, or learning styles of the students.

Điền vào ô trống 27

A. apply 

B. study 

C. decide 

D. Employ

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 31 to 37.

   A gesture is an action that sends a message from one person to another without using words. We use gestures to communicate with others. There are some gestures that have completely different meaning depending on when and where they are used.

   When an American wants to show that something is OK. or good, he raises his hand and makes a circle with his thumb and foreigners. The circle sign has only one meaning for him. He might be surprised to learn that in other countries it can mean something different. In Japan, for instance, it is the gesture for money. In France, it means 'zero' or 'worthless'. Such differences can lead to all kinds of misunderstanding when foreigners meet. But why is it that the same gesture has so many different meanings?

   When some people want to show that something is exact or precise, they make a sign to show that they are holding something between the tips of their thumb and forefinger. Many people from all over the world do this when they want to make a specific point as they are speaking. People later started using this signal to mean 'exactly right' or 'perfect'. This was how the famous OK was bom.

   In Japan, money means coins and coins are around. Therefore, making a round hand sign came to represent money. It is simple as that. The French sign for 'nothing' or 'worthless' also has a simple origin. This time the circle doesn't represent a coin, but nought. Nought equals zero, zero equals nothing, nothing equals worthless.

Which of the following can be inferred from the passage?

A. the different meaning of showing OK sign in America. Japan and France.

B. using gestures may lead to misunderstanding.

C. people from different cultures may understand a gesture in different ways.

D. people shouldn't use gestures because they can make mistake.