Một đoạn mạch gồm hai bình điện phân mắc nối tiếp, bình thứ nhất có các điện cực bằng đồng, đựng dung dịch nitrat. Đương lượng gam của đồng là 32 g/mol; của bạc là 108g/mol. Cho dòng điện không đổi chạy trong đoạn mạch thì trong cùng một khoảng thời gian, khối lượng bạc được giải phóng nhiều hơn khối lượng đồng được giải phóng là 54,72 g. Khối lượng đồng được giải phóng trong thời gian nói trên bằng

A. 23,04g

B. 77,76g

C. 230,4g

D. 777,6g

Một mạch dao động LC lý tưởng đang có dao động điện từ tự do. Biết cuộn cảm có độ tự cảm 2 . 10 ‒ 2  H và tụ điện có điện dung 2 . 10 ‒ 10  C. Chu kì dao động trong mạch là:

A.  2 π   µ

B.  4 π   m s

C.  4 π   µ s

D.  2 π   m s

Viết cho đầy đủ bảng đơn vị đo khối lượng theo mẫu sau:

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

My first home

When my parents married, they rented a small house and they didn’t have a lot of money for furniture. The kitchen had a sink for washing up and a cooker, but that was all. They (28)______a old table and a chair from the market. They borrowed a sofa (29) ______was also old but they covered it with modern materials so it was bright and cheerful.

Outside, there was a small garden behind the house, but in front of it there was only the road. (30)_____, the road wasn’t busy, so I could cross it to reach the park on the opposite side. We lived there (31) ______I was ten and we were very happy. We had to move house because it was too small when my twin sisters were born. We all (32) ______sad when we left.

Điền ô số 30

A. Luckily

B. Lucky

C. Unluckily

D. Unlucky

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

New cycling schemes

The County Council has decided to give a higher (31)______ to cycling and agreed a new strategy to guide the way ahead in East Sussex.

Cycling is a (32) ______, healthy and environmentally friendly form of transport. It is (33) ______ to make it safer, more convenient, and to increase the proportion of journeys made by bicycle.

Cycling is being encouraged both for utility purposes (such as journeys to work, school and the shops) and for recreation trips for exercise and enjoyment, including longer trips by tour. Recent cycle schemes carried out in conjunction with District Councils and other bodies (34) ______ the Brighton and Hove seafront route and the Cross Levels Way cycle route, in Eastbourne.

Local people will be consulted as the strategy is implemented. The County council will work with local cycling and other groups, and a countrywide Cycling Forum will be formed to (35) ______ that all bodies concerned with cycling are in regular (36) ______ .

The (37) ______ of the Cycling strategy are given in a leaflet, and a copy of the full strategy document can be seen in County Council Public Libraries.
Question 37

A. rights

B. cyclists

C. objectives

D. vehicles

Phương thức hình thành loài chậm diễn ra ở những con đường hình thành loài nào?

A. Con đường địa lí và đa bội khác nguồn.

B. Con đường địa lí và đa bội cùng nguồn.

C. Con đường địa lí và sinh thái.

D. Con đường sinh thái và đa bội khác nguồn.

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 36 to 42

For more than six million American children, coming home after school means coming back to an empty house. Some deal with the situation by watching TV. Some may hide. But all of them have something in common. They spend part of each day alone. They are called “latchkey children”. They are children who look after themselves while their parents work. And their bad condition has become a subject of concern.

 Lynette Long was once the principal of an elementary school. She said, “we had a school rule against wearing jewelry. A lot of kids had chains around their necks with keys attached. I was constantly telling them to put the keys inside shirts. There were so many keys; it never came to my mind what they meant.” Slowly, she learned that they were house keys.

 She and her husband began talking to the children who had keys. They learned of the effect working couples and single parents were having on their children. Fear was the biggest problem faced by children at home alone. One in three latchkey children the Longs talked to reported being frightened. Many had nightmares and were worried about their own safety

 The most common way latchkey children deal with their fears is by hiding. They may hide in a shower stall, under a bed or in a closet. The second is TV. They often turn the volume up. It’s hard to get statistics on latchkey children, the Longs have learned. Most parents are slow to admit that they leave their children alone.

The phrase “latchkey children” in the passage means children who ______

A. look after themselves while their parents are not at home

B. close doors with keys and watch TV by themselves

C. like to carry latches and keys with them everywhere

D. are locked inside houses with latches and keys

Mark the letter A, B, C, or D on you answer sheet to indicate the word that differs from the rest in the position of the main stress in each of the following questions.

A. attitude            

B. applicant                   

C. advisable                   

D. admirable

Có bao nhiêu loại khí có thể thu được khi cho các hóa chất sau đây phản ứng với nhau từng đôi một? Al,FeS,HCl,NaOH,(NH₄)₂CO₃:

A. 2

B. 3

C. 4

D. 5

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 following questions.

            Speech is one of the most important (55) _________ of communicating. It consists of far more than just making noises. To talk and also to (56) _________ by other people, we have to speak a language, that is,  we have to use combinations of (57)_________ that everyone agrees to stand for a particular object or idea. Communication would be impossible if everyone made up their own language. Learning a language properly is very (58)_________ . The basic (59) _________  of English is not very large, and not only about 2,000 words are needed to speak it quite (60) _________. But the more idea you can (61) _________ the more precise you can be about their exact meaning. Words are the (62)_________  thing we use in communicating what we want to say. The way we (63) _________ the words is  also very important. Our tone of voice can express many emotions and (64) _________  whether we are  pleased or angry, for instance.

Điền vào ô 55

A. rules                       

B. reason                     

C. ways                       

D. tests