Whatd idthescientistsdotofindoutifthee-noseworked?
A.Theypresenteditwithallcommoncrops..
B.Theyfixed13sensorsinsidethedevice.
C.Theycollecteddifferentd amagedleaves.
D.Theymadetestsondamagedandhealthyleaves.
正确答案:D
Whatd idthescientistsdotofindoutifthee-noseworked?
A.Theypresenteditwithallcommoncrops..
B.Theyfixed13sensorsinsidethedevice.
C.Theycollecteddifferentd amagedleaves.
D.Theymadetestsondamagedandhealthyleaves.
正确答案:D