6. One of the biggest (environment) ……......……………….impacts of human activities is air pollution.

7. Many scientists have been looking for solutions to protect the earth’s limited energy from (deplete) ….…......…

8. Conservationists predict that many rare species of plants and animals could completely (appearance) ……….……....…….. in a few decades.

4. Because non-renewable resources are being consumed at the rapid rate, human beings are likely to face fossil fuel ...........................( deplete )

II-Choose one suitable word in the box to fill in each blank, there are more words than needed.

          One of the advantages of e-learning is that it makes all students feel (1) …………... because the communication tools give each student the opportunity to (2) ………….. his own opinion clearly and directly at any time without being embarrassed. Besides, e-learning provides teachers with great facilities that are (3) …………….. out of working hours. The learners can send their (4) …………… to the teacher through the e-mail at any time. By e-learning attendance is not necessary as the new (5) …………….. provides communication methods without the need to be available in a specific place or time.

1.When students use the Internet, they have access ……………. inappropriate information and videos.

A.  of B.  by C.  to D.  with

6.Soil erosion which is caused by……………. can also lead to increased flooding.

A.Deforestation  B.bamboo forests C.vegetable    D.forestation

7.  Choose the word which has the underlined part pronounced differently from the rest.

A.  affect B.  access C.  application D.  fact

8.  Choose the word which is stressed differently from the rest.

A.  depletion B.  chemical C.  erosion D.  assignment

9.  His father told him  …………….

A.  to not spend so much time on electronic devices every day.

B.  that he doesn't spend so much time on electronic devices every day.

C.  that not to spend so much time on electronic devices every day.

D.  not to spend so much time on electronic devices every day.

10.Choose the underlined word or phrase in each sentence that needs correcting.

Tom said me that he didn't enjoy romantic love stories.

A.   romantic love

B.  that             

C.  didn't enjoy           

D.  said                            

11.   We are trying to find …………….ways to stimulate learning and improve the way we teach.

A.  old and creative                            B.  new and creative      

C.  shocking and amazing D.  effective and inappropriate

12.  Choose the word which has the underlined part pronounced differently from the rest.

A.  release B.  threat C.  easy D.  increase           

13.  He told me that …………….

A.  he participated in the conservation campaign the previous day.

B.  he participated in the conservation campaign yesterday.

C.  he would participate in the conservation campaign tomorrow.

D.  he had participated in the conservation campaign the previous day.

14.Choose the underlined word or phrase in each sentence that needs correcting.

They asked the children don't throw rubbish into the river.

A.  don't throw              B.  into           C.  the river D.  asked                       15.  Choose the word which is stressed differently from the rest.

A.  digital B. criticize C.  effective D.  practical 

Modern devices make learning and teaching English more ……....….

A.  boring and unpleasant B.  pleasant and uncomfortable

C.  convenient and interesting     D.  inconvenient and uninteresting 

1.Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following questions

-  "Could you please tell me one of the consequences of air pollution, Huong?"      -  " …………………… "

A.  I think it leads to many human diseases, even death.

B.  Air pollution is a consequence of fossil fuel burning by vehicles.

C.  I don't think it has any consequence.    

D.  Yes, I think it causes extreme flood and soil erosion.

Các vi sinh  vật  có hình thức  quang tự dưỡng  là :

A. Vi khuẩn  lưu huỳnh    B. Nấm  và tất cả vi  khuẩn

C. Tảo, Vi khuẩn  lưu huỳnh    D. Tảo, vi khuẩn lam

Kiểu dinh dưỡng của động vật nguyên sinh là

A. quang tự dưỡng    B. hoá dị dưỡng.  C. quang dị dưỡng.D. hoá tự dưỡng

Vi sinh vật sử dụng chất hữu cơ làm nguồn năng lượng là vi sinh vật

   A. quang dưỡng    B. dị dưỡng.    C. tự dưỡng.    D. hoá tự dưỡng

Đặc điểm chung của quá trình tổng hợp ở vi sinh vật là

    A. Sử dụng nguồn năng lượng từ các chất hóa học.

    B. Tổng hợp các chất hữu cơ cần thiết từ các chất hữu cơ khác.

    C. Sử dụng năng lượng và enzim nội bào để tổng hợp các chất.

    D. Sử dụng nguồn cacbon chủ yếu từ nguồn vô cơ.

18. Trong giảm phân , ở kỳ sau I và  kỳ sau II có điềm giống nhau là :

A. Sự dãn  xoắn  của các  nhiễm sắc thể   

B. Các  nhiễm sắc thể  đều ở trạng thái   kép  

C. Sự phân li các nhiễm sắc thể về 2 cực tế  bào    

D. Các  nhiễm sắc thể  đều ở trạng thái  đơn