1. Mr. Smith made tests with __________.A. different animals B. the monkey only C. all the monkeys D. all of the cleverest animals2. There was some food in _______ of the small boxes. A. some B. none C. one D. each 3. Mr. Smith put a monkey and some boxes in a room because he wanted to know___________.A. how much food monkey could find B. how many boxes the monkey could carry C. how long it would take the monkey to put its eye to the keyhole D. how long it would take the monkey to find the food4. What was the monkey doing when Mr. Smith was putting his eye to the keyhole? A. The monkey was eating food. B. The monkey was looking for food. C. The monkey was eating on the other side of the door. D. The monkey was looking at Mr. Smith through the keyhole. 5. Mr. Smith is a ________. A. teacher B. scientist (科学家) C. doctor D. farm worker