Read the following passage and mark the letter A,B,C or D on your answer sheet to indicate the correct word for each of the blanks from 1 to 5.

Swim, Cycle, and Run

    For athletes who like to (31)______a variety of endurance sports in a single race, triathlons are a great fit. These competitions (32) ______running, cycling, and swimming into one race, and they take place one after the other in a single continuous timed race. Athletes who participate must be in top physical form and have the skills needed to complete each portion of the race.
    Training for triathlons means the athletes have to become proficient not only in the sport required in each stage, but they also have to become familiar with what (33) ______from one to the other does to their bodies. Many inexperienced triathletes are surprised to (34) ______hard it can be to switch from swimming to cycling to running, and how tired their muscles can suddenly feel. One thing all triathletes can agree (35) ______is that no one ever told them that running a triathlon would be easy

Điền ô số 31

A. compete

B. compete in

C. contest

D. take part 

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following question.

County legislators called for an update of the safety______for the Darcy Power Plant

A. regulate

B. regulative

C. regulatory

D. regulation

Hợp chất hữu cơ X mạch hở chứa các nguyên tố C, H, N trong đó có 23,72% khối lượng N. X tác dụng với HC1 theo tỉ lệ mol 1:1. Câu trả lời nào sau đây là không đúng

A. X là hợp chất amin

B. Cấu tạo của X là amin no, đơn chức

C. Nếu công thức của X là  C x H y N z  thì có mối liên hệ là 2x - y = 45 

D. Nếu công thức của X là  C x H y N z  thì z =1.

Metylamin không phản ứng được với dung dịch nào sau đây?

A. CH₃COOH

B. HCl

C. NaOH

D. FeCl₂

Mark the letter A, B, C or D on your answer sheet to indicate the word or phrase that is closest in meaning to the underlined part in each of the following questions.

“Edwards seems like a dog with two tails this morning.” – “Haven‟t you hear the news? His wife gave birth a baby boy early this morning.”

A. extremely happy

B.   exhausted

C.  extremely disappointed

D.  very proud

A. They give children correct answers. 

B. They allow children to mark their own work. 

C. They encourage children to copy from one another. 

D. They point out children’s mistakes to them.