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【单选题】
内共生菌沃尔巴克氏菌能通过胞质不相容的机制来操控果蝇的繁殖机制,因此,下列()沃尔巴克氏菌的果蝇交配后不能成功产生后代。
A.
父本母本均未感染
B.
父本未感染母本感染
C.
父本母本感染不同株系
D.
父本母本感染同一株系
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参考答案:
举一反三
【单选题】在发动机中,以下哪个部件的作用是用来保证气缸体与气缸盖结合面间的密封,防止漏气、漏水和漏油。( )。
A.
气缸体
B.
气缸盖
C.
气缸
D.
气缸垫
【简答题】The booking notes of the play “the Age of Innocence”: Price: $10 BOOKING : There are four easy ways to book seats for performance: ★in person The Box Office is open Monday to Saturday, 10 a. m. -8 p. ...
【单选题】该元件的型号中“DZ”代表什么意思?
A.
塑料外壳
B.
设计代号
C.
额定动作电流
D.
极数
【简答题】阅读理解。 The booking notes of the play 'the Age of Innocence': Price: $10 BOOKING There are four easy ways to book seats for performance: -in person The Box Office is open Monday to Saturday, 10 a.m.-8 p...
【单选题】If you want to change a booking, you may have to pay ______.
A.
10% of the booking price
B.
a fee of $150 to $ 200
C.
half the ticket price
D.
a fixed fee
【简答题】Booking Space
【单选题】用来保证气缸体与气缸盖结合面间的密封部件是
A.
活塞
B.
连杆
C.
主轴瓦
D.
气缸垫
【简答题】The booking notes of the play 'the Age of Innocence': Price: $10 BOOKING There are four easy ways to book seats for performance: - in person The Box Office is open Monday to Saturday, 10 a. m. -8 p. m...
【简答题】Booking Note(B/N)
【简答题】The booking notes of the play “the Age of Innocence”: Price: $10 BOOKING There are four easy ways to book seats for performance: ★in person The Box Office is open Monday to Saturday, 10 a. m. -8 p. m....
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