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【单选题】
下列关于顶端优势的叙述中错误的是 [ ]A.
顶芽生长衰弱，相对促进侧芽生长
B.
除去顶芽，侧芽生长被抑制
C.
顶芽优先生长时，侧芽生长受到抑制
D.
切除顶芽，切口高浓度生长素，侧芽生长受到抑制
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反馈参考答案：
举一反三
【单选题】猪口蹄疫的防制应采取( )等综合性防制措施。
A.
发病时以扑杀病猪，封锁疫区和紧急预防接种为主。
B.
发病时以疫苗注射，治疗病猪为主
C.
平时以检疫为主
D.
A和
【单选题】It can be concluded from the last paragraph that ______.
A.
acting is a quick road to success
B.
forty percent of Broadway actors have nothing to do
C.
acting is highly competitive
D.
if you wait, you will get the chance
【简答题】When the project ended, it was c a great succes.
【单选题】We are working under the command of the manager that no _______ be spared to make the party a success.
A.
trouble
B.
expedition
C.
expense
D.
experience
【简答题】demostrate success
【单选题】猪口蹄疫的防制应采取（）等综合性防制措施。
A.
发病时以扑杀病猪，封锁疫区和紧急预防接种为主
B.
发病时以疫苗注射为主，治疗病猪为辅
C.
发病时以检疫为主，疫苗注射为辅
D.
发病时以治疗病猪为主
【单选题】Poorer families often lack ______ to a car, which they need to drive their children to a more successful school outside their own district.
A.
approach
B.
access
C.
appeal
D.
assessment
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