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【多选题】
下列属于第一代分子标记的是A.
RFLP
B.
AFLP
C.
RAPD
D.
SNP
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反馈参考答案：
举一反三
【简答题】[ A] joined [ B] attached [ C] connected [ D] fastened
【简答题】18 按照骨骼的形状分类,下颌骨属于_______________
【多选题】What if the passenger seems not to securely fastened the seat belt before landing?
A.
Please release your seatbelt.
B.
Please make sure that your seatbelt is securely fastened.
C.
Slip the belt into the buckle and pull tight.
D.
Please remain your seatbelts fastened.
【单选题】A towline should be fastened to（）.
A.
the chocks at the bow of a towed vessel
B.
the most forward，centermost point of a towed vessel such asa sturdy bow rail
C.
the mast of a towed sailboat
D.
a secure fitting near the bow of the towed vessel
【单选题】Next to the hole ______, ______ a bell was fastened.
A.
a nail was there to that
B.
was a nail to which
C.
was a nail to that
D.
a nail was there from which
【多选题】What if the passenger seems not to securely fastened the seat belt before landing?
A.
Please release your seatbelt.
B.
Please make sure that your seatbelt is securely fastened.
C.
Slip the belt into the buckle and pull tight.
D.
Please remain your seatbelt fastened.
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