Read the following pasage and mark the letter A,B,C or D to indicate the correct answer to each of the question.

1. C. 26 milion USD

Dẫn chứng: They concluded that Africa was most likely losing $26m in tourism revenue a year.

2. C. Protecting ... reasons.

Dẫn chứng: Around $9m of that is lost from tourists' direct spending, such as staying at hotels and buying crafts, with the rest through indirect value in the economy such as farmers and other suppliers supporting the tourist industry

3. A. Across ... form.

Dẫn chứng: In the case of central Africa's forest elephants, which are harder for tourists to see and therefore attract fewer visitors, the costs of protecting them exceed the benefits from tourism

4. C. (C)

5. A. Plummet (n): thất bại

6. C. advanced (adj) : tinh vi, cao cấp

7. D. inspire (v): truyền cảm hứng

8. A. Elephant ... revenue.

9. D. Animation ... skills.

10. B. Object

11. C. Store individual images

Dẫn chứng: The frame buffer is nothing more than a giant image memory for viewing a single frame. It temporarily holds the image for display on the screen.

12. D. Using computer calculations 

Dẫn chứng:  The computer computers the positions and colors for the figures in the picture, and sends this information to the recorder, which captures it on film.

13. B. register

14. C. after 

15. A. They  ... drawings.

Dẫn chứng: Often, computer – animation companies first do motion tests with simple computer-generated line drawings before selling their computers.