Áp suất khí quyển thay đổi như thế nào khi độ cao càng tăng?

A. Càng tăng

B. Càng giảm

C. Không thay đổi

D. Có thể vừa tăng, vừa giảm.

Chất nào sau đây có tên gọi là vôi tôi? 

A. C a O C l 2 . 

B.  C a C O 3 . 

C. CaO. 

D.  C a ( O H ) 2 . 

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

MARRAKECH

Where can you go in January for almost guaranteed sunshine – without travelling for most of the day to get there? The answer is Marrakech in Morocco, a four-hour (16) ____ from Britain, where the average temperature is a pleasant 66°F.

Marrakech is a city of (17) ____ beauty, with its pink buildings and green palm trees contrasting with the snow-covered (18) ____ of the Atlas Mountains in the distance. For tourists, there's the added attraction of excellent food at reasonable prices, and high quality accommodation, such as Hotel La Momounia, (19) ____ as one of the top hotels in the world.

(20) ____ Marrakech is one of Morocco's busiest and most modern cities, the influence of the Middle Ages is still very evident. (21) ____ can admire the battlements, towers, and mosques, which were built (22) ____ centuries ago. And forget about shopping malls – for perfumes, fabrics, antiques, spices and crafts, (23) ____ the ‘souks’, open-air market places where you'll almost (24) ____ find something to take back home.

For those who want to (25) ____ sport Marrakech has plenty to offer. In addition to golf and tennis, there is also skiing on the slopes of the high Atlas Mountains, where the views of the surrounding area are quite spectacular. Alternatively, you could just relax by a heated swimming pool and dream of your next visit.

Question 18

A. peaks

B. hills

C. heads

D. surfaces

Leave ONE unnecessary letter in these words to make them correct.

THEATREA    ______________________________

Trong các chất: HOOCCH 2 CH ( NH 2 ) COOH ,   m - HOC 6 H 4 OH ,   p - CH 3 COOC 6 H 4 OH , CH 3 CH 2 COOH , ( CH ₃ NH ₃ ) 2 CO 3 , ClH 3 NCH ( CH 3 ) COOH . Có bao nhiêu chất mà 1 mol chất đó phản ứng được tối đa với 2 mol NaOH?

A. 4

B. 3

C. 6

D. 5

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate correct word or phrase that best fits each of the numbered blanks. Fill in the appropriate word in question 60

             The first question we might ask is: What can you learn in college that will help you in being an employee? The schools teach (55) _______ many things of value to the future accountant, doctor or electrician. Do they also teach anything of value to the future employee? Yes, they teach the one thing that it is perhaps most valuable for the future employee (56)_______. But very few students bother to learn it. This basic skill is the ability to organize and express ideas in writing and in speaking. This means that your success as an employee will depend on your ability to communicate with people and to (57) _______ your own thoughts and ideas to them so they will (58) _______ understand what you are driving and be persuaded.

            Of course, skill in expression is not enough (59) _______ itself. You must have something to say in the first place. The effectiveness of your job depends (60) _______ your ability to make other people understand your work as they do on the quality of the work itself.

            Expressing one’s thoughts is one skill that the school can (61) _______ teach. The foundations for skill in expression have to be (62) _______ early: an interest in and an ear (63) _______ language; experience in organizing ideas and data, in brushing aside the irrelevant, and above all the habit of verbal expression. If you do not these foundations (64) _______ your school years, you may never have an opportunity again.

A. on most

B. much on

C. most on

D. on much

Deborah is going to take extra lessons to ______ what she missed while she was away.

A. put up with

B. cut down on

C. take up with

D. catch up on