【单选题】下面关于容器育苗说法不正确的是()
A.
容器育苗是指利用容器,如盆、袋、篓、篮等,装入科学配方的营养土繁育幼苗。
B.
常见的育苗钵有塑料杯、泥炭钵、泥浆稻草杯、纸钵、育苗盘等。
C.
营养土装填时装至距离口 3-100px,经播种覆土后一般比容器低l-50px。
D.
育苗钵装好后排列整齐,尽量缩小间距,便于节省空间、方便管理。
【单选题】下面关于容器育苗说法不正确的是
A.
营养土来源可以是土壤,塘泥、河沙、腐叶土、泥炭和人造的陶粒、珍珠岩、岩棉等。
B.
营养土装填时装至距离口3-4cm,经播种覆土后一般比容器低l-2cm。
C.
常见的育苗钵有塑料杯、泥炭钵、泥浆稻草杯、纸钵、育苗盘等。
D.
育苗钵装好后排列整齐,间距越小越好,便于节省空间、方便管理。
【多选题】不是脑卒中患者肢体功能评定Brunnstrom IV期的表现的是( )。
【单选题】传输线上每变化半个波长相当于沿等反射系数圆上行走( )。
【单选题】The magician's talk creates a(n) ______ of attention so that the audience does not see how he does his tricks.
【简答题】So loudly _________ that the audience in the back heard him clearly. [A]does he speak [ B]he speaks [ C] did he speak [ D] he spoke
【单选题】传输线上每变化半个波长相当于沿等反射系数圆上行走( )
【单选题】What does the speaker suggest?
A.
He does not recognize many members of the audience.
B.
He hopes to expand the company's product line.
C.
He has worked in a number of industries.
D.
He is grateful to his colleagues.
【单选题】对表格的数据进行求和处理时所用的公式为( )。