34. At the end of the second paragraph, what does it mean by “optimal”？
(A) self-driving car can capture multiple views from different angles
(B) self-driving car can easily move around without running into accidents
(C) self-driving car is economical in terms of gas consumed
(D) self-driving car is appealing and easy to maneuver

30. (A) competitions (B) longings (C) strivings (D) confusions

31. According to the article, self-driving cars (A) will become a reality in the near future (B) will often be controlled by human being at times (C) will not need human intervention (D) will not be able to handle emergency

32. Why is quotation used as in "safely driver”？ (A) It suggests that human drivers are the primary concern for the stale of California (B) It suggests that the slate of California still prescribes the need for human driver control a vehicle (C) It suggests that whenever emergency happens, self-driving car cannot make wise decisions to prevent accident from happening (D) It suggests that designers of self-driving cars need to design a safe space for human passengers in case accidents happen

33. Which of the following issues is less likely to cause controversies? (A) who is to be responsible for a dog that gets hit by a self-driving car (B) how many self-driving cars can be allowed on the roads (C) what is the rate for loaning a self-driving car (D) can self-driving car know what to do when it runs out of gas on the highway

35. What does it mean that Google will make their self-driving cars from scratch (second paragraph)? (A) They will model on the cars in the market but make improvement (B) They will compete with BMW and Mercedes to manufacture innovative cars (C) They will start from the very basics in designing their cars themselves (D) They will recruit talents from around the world to build the cars

36. What is the main idea of this article? (A) A unique Hong Kong phenomenon. (B) An adventure of two photographers. (C) A story about getting lost in the city. (D) An argument between two urban planners.

37. Which of the following statements about Kowloon Walled City is true? (A) Kowloon Walled City is dark because there is no electricity supply. (B) The British colonial government transformed this city into public housing. (C) People there built their dwellings without following safety regulations. (D) Kowloon Walled City was lorn down recently for safety reasons.

38. Why was Kowloon Walled City the densest place on earth? (A) It was located in the center of Hong Kong. (B) Around 30,000 people lived there within just one block of the city. (C) There was little space between corridors and staircases. (D) Small businesses thrived there, which attracted people to go shopping.

39. What was Girard’s reaction when he first saw Kowloon Walled City? (A) Disgusted by the mess. (B) Surprised by its complexity. (C) Frightened by its density. (D) Bored by its dullness.

40. How was Kowloon Walled City built? (A) By building houses on top of each other. (B) By stacking huge bricks together. (C) By obeying strict laws. (D) By imitating British-style buildings.