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【单选题】
无机铜杀菌剂。A.
可杀得
B.
丁草胺
C.
禾草克
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反馈参考答案：
举一反三
【判断题】In species in which females are the homogametic sex, gender of offspring is determined by the male.
A.
正确
B.
错误
【单选题】In which of the following groups is the discovery of new species not mentioned in the passage?
A.
Birds.
B.
Monkeys.
C.
Trees.
D.
Freshwater fish.
【单选题】In which of the flollowing groups is the discovery of new species not mentioned in the passage?
A.
Birds
B.
Monkeys
C.
Trees.
D.
Freshwater fish.
【简答题】背书是指在票据背面或者粘单上记载有关事项并签章的票据行为。背书转让的票据，背书可以不连续。 ( )
【单选题】In terms of species, which of the following biologist holds that species are immutable ?
A.
Carl von Linné
B.
Jean-Baptiste Lamarck
C.
Charles Robert Darwin
D.
Theodosius Grygorovych Dobzhansky
【简答题】革兰氏阳性菌细胞壁的主要成分为______和______，而革兰氏阴性菌细胞壁的主要成分则是______、______、______和______。
【单选题】Species in which the sexes are separated into staminate and pistillate plants are _____________ .
A.
monoecious
B.
dioecious
C.
andromonoecious
D.
gynodioecious
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