题目内容

27. The professor advises John to make a ______ of his design.

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26. John needs help preparing for his ______ .

36. Non-alcoholic preservative should be used.

A hand collecting
B using bait
C sampling ground litter
D using a pitfall trap

35. Separate containers are used for individual specimens

A hand collecting
B using bait
C sampling ground litter
D using a pitfall trap

34. Little time and effort is required.

A hand collecting
B using bait
C sampling ground litter
D using a pitfall trap