IV. Choose the word or phrase that could best explain the underlined word or phrase in each sentence. 31. If modern technology did not exist, we would never have such precious information. a. valuable b. precise c. confidential d. detailed 32. Some marine animals are dangerous to humans. a. living in the mountain b. living in the ocean c. living in the forest d. living in the house 33. The floor was covered in tiny pieces of paper. a. unimportant b. many c. very large d. extremely small 34. Sperm whales and sharks are carnivores. a. animals that live in the sea b. animals that only eat plants c. fish that aren’t born from eggs d. animals that eat meat 35. We enjoyed the warm water of the Gulf of Thailand. a. a small sea b. a large area of ocean almost surrounded by land c. a part of the sea enclosed by a wide curve of the shore d. a large area of water surrounded by land 36. Hunan infants have a gestation period of nine months. a. the time during which a human baby develops inside its mother b. the time when a stomach digests food c. the time of eating food d. the time of growing up 37. We had an accidental meeting with an old friend at the party last night. a. unpleasant b. unexpected c. unlucky d. unacceptable 38. How many offspring does a sperm whale usually have? a. eggs b. mammals c. babies d. diets 39. They try to imitate the wings and shape of animals in nature of produce parts of vehicles. A. Irritate B. irrigate C. paste D. copy