【多选题】What are some rules for DOM node trees?
A.
There is exactly one root node
B.
Every node must have a parent node
C.
Each element may have one or more child nodes
D.
The tree is drawn upside down, with the root node at the top
【单选题】微循环是指
C.
毛细血管前微动脉和毛细血管后微静脉之间的血液循环
【简答题】What can Dom’s dad do as a clown?
【简答题】微循环是指 和 之间的血液循环。其通路包括 、 和 ,其中 经常性开放。
【判断题】所有的离线编程软件功能都是一样的,可以兼容任何型号的工业机器人。
【简答题】气体升液式鼓泡塔,在塔内装有一根或几根( ),从而使液体在反应器内(循环)。
【简答题】微循环是指 和 之间的血液循环。由 个部分组成。微循环的灌流情况主要是 受 调节。
【单选题】What is the relationship between dissolved organic matter (DOM) and bacteria in the epipelagic?
A.
Bacteria feed on the DOM, making it available to other animals in the food chain that feed on bacteria
B.
Bacteria supply most of the DOM
C.
Bacteria feed on DOM and thus it is unavailable to other animals
D.
Bacteria cannot utilize DOM and thus feed on detritus, depleting it through most of the epipelagic