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【单选题】
It is preferable to take specimens from groups of ants
A.
A hand collecting
B.
B using bait
C.
C sampling ground litter
D.
D using a pitfall trap
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】It is particularly effective for wet habitats.
A.
A hand collecting
B.
B using bait
C.
C sampling ground litter
D.
D using a pitfall trap
【单选题】It is a good method for species which are hard to find.
A.
A hand collecting
B.
B using bait
C.
C sampling ground litter
D.
D using a pitfall trap
【单选题】Little time and effort is required.
A.
A hand collecting
B.
B using bait
C.
C sampling ground litter
D.
D using a pitfall trap
【单选题】Separate containers are used for individual specimens
A.
A hand collecting
B.
B using bait
C.
C sampling ground litter
D.
D using a pitfall trap