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刷刷题刷刷变学霸
举一反三
【单选题】An elm in our backyard（7）the blight (枯萎病) this summer and dropped stone dead, leafless, almost overnight. One weekend（8）was a normal-looking elm, maybe a little bare in spots but（9）alarming, and the n...
A.
There are so many new books about dying that there are now special shelves set aside for them in bookshops, along with the health-diet and home-repair paperbacks. Some of them are so（1） with detailed information and step-by-step instructions for performing the function, that you’d think this was a new sort of（2）which all of us are now required to learn. The strongest impression the casual reader gets is that proper dying has become an extraordinary,（3）an exotic experience, something only the specially trained can do.
B.
（4）, you could be led to believe that we are the only（5）capable of being aware of death, and that when the rest of nature is experiencing the life cycle and dying, one generation after（6）, it is a different kind of process, done automatically and trivially, or more "natural", as we say.
【多选题】下列关于唐菖蒲说法正确的是
A.
属于鸢尾科唐菖蒲属多年生球根花卉，球茎扁圆形，有褐色膜质外皮。
B.
穗状花序顶生，每穗着花8-24朵，通常排成两列，自下而上依次开花。
C.
喜光性的短日照植物，短日照有利于花芽分化。
D.
唐菖蒲对空气中SO 2 有较强抗性，但对氟化物敏感。
相关题目：
【判断题】唐菖蒲通常用畦栽或沟栽，大面积切花生产或球根生产宜用沟栽方式，便于管理。
A.
正确
B.
错误
【单选题】唐菖蒲又称剑兰，为（）污染指示植物。
A.
氟
B.
硫
C.
氰
D.
氮
【多选题】胡椒枯萎病在的传播途是（ ）
A.
带病种苗调运进行远距离传播。
B.
种子带毒传播。
C.
土壤传播
D.
地面流水传播
E.
农具传播
F.
割蔓传播
【判断题】唐菖蒲的种球采用干藏法进行贮藏，而美人蕉常采用根茎干燥贮藏。
A.
正确
B.
错误
【单选题】郁金香、唐菖蒲、荸荠的地下茎的变态属于（ ）。
A.
块茎
B.
球茎
C.
鳞茎
D.
根状茎
【单选题】An elm in our backyard（7）the blight (枯萎病) this summer and dropped stone dead, leafless, almost overnight. One weekend（8）was a normal-looking elm, maybe a little bare in spots but（9）alarming, and the n...
A.
There are so many new books about dying that there are now special shelves set aside for them in bookshops, along with the health-diet and home-repair paperbacks. Some of them are so（1） with detailed information and step-by-step instructions for performing the function, that you’d think this was a new sort of（2）which all of us are now required to learn. The strongest impression the casual reader gets is that proper dying has become an extraordinary,（3）an exotic experience, something only the specially trained can do.
B.
（4）, you could be led to believe that we are the only（5）capable of being aware of death, and that when the rest of nature is experiencing the life cycle and dying, one generation after（6）, it is a different kind of process, done automatically and trivially, or more "natural", as we say.
【判断题】引起棉花枯萎病的病原是大丽轮枝孢
A.
正确
B.
错误
【单选题】使唐菖蒲在短日照季节开花，可采用（）措施。
A.
人工补光
B.
人工遮光
C.
加温
D.
降温
【单选题】当前，多年生花卉如唐菖蒲、郁金香、大丽花、百合主要采用什么繁殖方法（）
A.
扦插
B.
分球
C.
分株
D.
组织培养
【单选题】防治蔬菜镰刀菌枯萎病进行轮作应()。
A.
2年
B.
3年
C.
1年
D.
一季作物
【判断题】菊花、唐菖蒲是典型的短日照花卉。（ ）
A.
正确
B.
错误
【判断题】唐菖蒲的花是蝎尾状聚伞花序。( )
A.
正确
B.
错误
【多选题】下列关于唐菖蒲说法正确的是
A.
属于鸢尾科唐菖蒲属多年生球根花卉，球茎扁圆形，有褐色膜质外皮。
B.
穗状花序顶生，每穗着花8-24朵，通常排成两列，自下而上依次开花。
C.
喜光性的短日照植物，短日照有利于花芽分化。
D.
唐菖蒲对空气中SO 2 有较强抗性，但对氟化物敏感。