Bài 3: Chọn đáp án đúng nhất để điền vào đoạn văn. 1. [] Chimpanzees in the wild like to snack on termites, and youngsters learn to fish for them by pocking long sticks and other (1)____tools into the mounds that large groups of termites build. Researchers found that (2)______average female chimps in the Gombe National Park in Tanzania learnt how to do termite fishing at the age of 31 months, more than two years earlier than the males. 2. The females seem to learn by watching mothers. Researcher Dr. Elisabeth V. Lonsdorf, director of field conservation at the Lincoln Park Zoo in Chicago, said that it is (3)_____to find that, when a young male and female are near a mound, shes really focusing on termite fishing and hes spinning himself round (4)_______circles. Dr Landsdorf and colleagues are studying chimpanzees at the zoo with a new, specially created termite mound, filled with mustard (5)________than termites. [] Question 1: A. relative B. similar C. close D. connected Question 2: A. at B. by C. on D. for Question 3: A. typical B. regular C. ordinary D. frequent Question 4: A. in B. with C. to D. through Question 5: A. other B. else C. instead D. rather