Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions

(A) The populace was (B) so terrified of the tornado that (C) however town she visited she found (D) villages deserted of inhabitants and livestock

A. The

B. so terrified

C. however 

D. villages deserte

Choose the best option A, B, C or D to complete each of the sentences from 21 to 39.

Unless Ray ______ here soon, I’m going to leave because I’m getting bored.

A. won’t get

B. will get

C. doesn’t get

D. gets

Choose the best option A, B, C or D to complete each of the sentences from 21 to 39.

“______?” – “Yeah, down this street, on the left.”

A. Would you like to go by train

B. Is this a train station 

C. Is there a station near here

D. How often does the train come

Cho sơ đồ: tinh bột → + H 2 O / H + glucozơ → m e n ancol etylic.

Lên men 162 gam tinh bột với hiệu suất các giai đoạn lần lượt là 80% và 90%.

Thể tích dung dịch ancol etylic 40 o thu được là (Biết khối lượng riêng của  C 2 H 5 O H nguyên chất là 0,8 g/ml)

A. 230 ml

B. 207 ml

C. 115 ml

D. 82,8 ml

Lên men dung dịch chứa 300 gam glucozơ thu được 92 gam ancol etylic. Hiệu suất của quá trình lên men tạo thành ancol etylic là

A. 50%.

B. 70%.

C. 60%.

D. 80%.

Mark the letter A, B, C or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions

A. company

B.vacancy

C. overtired

D.estimate