题目内容
（请给出正确答案）
A they are different in size
B they scatter an over the region．
C they are different in decay rate．
D they are different in quality．
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更多“38 Piles of dung can’t be reli…”相关的问题
Piles of dung can't be relied upon when it comes to estimating elephant numbers because
A．they are different in size.
B．they scatter an over the region.
C．they are different in decay rate.
D．they are different in quality.
A．they are different in size
B．they scatter an over the region．
C．they are different in decay rate．
D．they are different in quality．
Why do researchers estimate elephant numbers in an area by counting dung piles？
A．Because elephants are difficult to catch
B．Because it is not possible to count elephants from a plane．
C．Because it is not possible to keep track of elephants．
D．Because elephants are shy animals
Why do researchers estimate elephant numbers in an area by counting dung piles？
A．Because elephants are difficult to catch.
B．Because it is not possible to count elephants from a plane.
C．Because it is not possible to keep track of elephants.
D．Because elephants are shy animals.
37 Why do researchers estimate elephant numbers in an area by counting dung piles？
A Because elephants are difficult to catch
B Because it is not possible to count elephants from a plane．
C Because it is not possible to keep track of elephants．
D Because elephants are shy animals
A．Because elephants are difficult to catch
B．Because it is not possible to count elephants from a plane
C．Because it is not possible to keep track of elephants
D．Because elephants are shy animals
A．Y
B．N
C．NG
M: I don' t have much time, Jane. I' d better find all the references I need for tomorrow' s presentation before they close the door.
Q: Where does the conversation most probably happen？
(14)
A．In a classroom.
B．In a library.
C．In a bookstore.
D．In a cafeteria.
