Các phím nào còn thiếu ở hàng phím trên: Q W ….T Y ….I O P.

A. E….U

B. Y….W

C. W….Y

D. S….H

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 45 to 54.

Criticism

It can (45) _________along time to become successful in your chosen field, however talented you are. One thing you have to be (46) _________ of is that you will face criticism along the way. The world is full of people who would rather say something negative than positive. If you’ve made up your (47) _________ to achieve a certain goal, such as writing a novel, don’t let the negative criticism of others prevent you from reaching your (48)_________ and let constructive criticism have a positive (49) _________ on your work. If someone says you’re totally (50) _________ in talent, ignore them. That’s negative criticism. If, however, someone advises you to revise your work and gives you good reasons for doing so, you should (51) _________ their suggestions carefully. There are many film stars who were once out of (52) _________. There are many famous novelists who made a complete (53) _________ of their first novel - or who didn’t, but had to keep on approaching hundreds of publishers before they could get it published. Being successful does depend on luck, to a certain extent. But things are more likely to (54) _________ well if you persevere and stay positive.

Điền vào ô số 49

A. affect 

B. effect 

C. result 

D. change

Hỗn hợp M gồm Lys-Gly-Ala, Lys-Ala-Lys-Lys-Lys-Gly và Ala-Gly trong đó oxi chiếm 21,3018% về khối lượng. Cho 0,16 mol M tác dụng vừa đủ với dung dịch HCl thu được m gam muối. Giá trị của m là:

A. 86,16

B. 90,48

C. .83,28

D. 93,26

Este nào sau đây có công thức phân tử C₄H₆O₂?

A. Vinyl axetat.     

B. Propyl fomat.    

C. Etyl acrylat.      

D. Etyl axetat.

Cho một lượng hỗn hợp CuO và Fe₂O₃ tan hết trong dung dịch HCl thu được hai muối có tỉ lệ mol tương ứng là 1 : 1. Phần trăm khối lượng CuO và Fe₂O₃ trong hỗn hợp lần lượt là

A. 45,38% và 54,62%.

B. 50% và 50%.

C. 54,62% và 45,38%

D. không có giá trị cụ thể

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

There is a lesson for all parents in this tragic accident.

A. boring

B. mysterious

C. comic

D. incredible