Nếu cho tế bào vào 1 dung dịch có nồng độ chất tan cao hơn nồng độ dịch bào thì tế bào sẽ
A. giữ nguyên kích thước không thay đổi (nước không đi vào tế bào cũng không đi ra khỏi tế bào).
B. trương nước.
C. mất nước.
D. bị vỡ.

Vùng nhân của tế bào sinh vật nhân sơ chứa
A. một phân tử ADN dạng vòng.
B. nhiều phân tử ADN dạng vòng.
C. một plasmit.
D. nhiều plasmit.

Choose a word that has different stress pattern:
History                      English                   Mathematics                       Physics
A. History                      
B. English                  
C.  Mathematics                       
D. Physics

Choose the best answer for the following sentence:
_____________ the right sight of a person’s brain is dominant, that person is left-handed.
A. If
B. Which
C. That 
D.  For

Choose the word that has the underlined part pronounced differently from the rest:  
suggest                  burn                 current                     furniture
A. suggest                  
B. burn                 
C. current                    
D.  furniture

Choose the best answer for the following sentence:
They decided to have a picnic ___________ the pour raining. 
A. because               
B. despite               
C. although                
D. in spite

Choose one sentence that has the same meaning as the root one:
If I'd known about Josie's illness, I wouldn't have missed seeing her.
A. I saw Josie, and I knew she was ill.
B. I didn't know Josie was ill. but I saw her.
C. I didn't see Josie although I knew she was ill.
D. I didn't know Josie was ill, and I didn't see her.

Choose the best answer for the following sentence:
__________ North Sea separates ___________ British Isles from ___________ Norway and Denmark.
A. Ø / Ø / the / the                       
B. A / a / the / Ø                     
C. The / the / Ø / Ø             
D. Ø / the / a / the

Choose a word that has different stress pattern:
event                     compete                     series                  attract
A. event                     
B. compete                     
C. series                  
D. attract

Choose the best answer for the following sentence:
When there __________ a full moon, the ocean tides will be higher.
A. will be                  
B. is                 
C. would be               
D. have been