If we buy plenty of food now, it will _______ us shopping again this week.
| A．save | B．avoid | C．keep | D．prevent |
They use the same senses as we do and their feet and hands are similar to
ours, chimpanzees still have opposable toes and can grasp things with their feet.
| A．except what | B．except for |
| C．except that | D．besides that |
The question for them was to find out whether bees could tell each other the exact position of a feeding place.
| A．left | B．leaving |
| C．remained | D．remaining |
The primate brain is larger than of other animals.
| A．those | B．what | C．this | D．that |
After designing more experiments,they were able to clarify the procedure bees communicate information that they use to find and fetch food.
| A．by which | B．in which |
| C．by that | D．for which |
It was also apparent that the wagging dance, the bee moved sideways,sent another message.
| A．which | B．where | C．that | D．what |