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【多选题】
大型海藻的生态功能包括（ ）。
A.
部分可以为海洋动物提供生存环境
B.
重要的初级生产者
C.
进行大气固氮，如蓝绿藻，对贫营养盐的珊瑚礁非常重要
D.
珊瑚的主要竞争者
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】有如下事件过程：Private Sub Form_Load() Show Dim Arr() As Variant Arr = Array(1, 3, 5, 7, 9, 11, 13, 15) Call converse(Arr) For i = 0 To 7 Print arr(i); Next iEnd Sub 以上程序的功能是，通过调用Converse过程，将数组Arr中的元素逆序存放并输出...
A.
Private Sub converse(dim a() as Variant ) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
B.
Private Sub converse(dim a() as Variant) Dim T Dim J As Integer J = (LBound(A) + UBound(A)) / 2 For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
C.
Private Sub converse(a() As Variant) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
D.
Private Sub converse(a() As Variant) Dim T Dim J As Integer J = Int((LBound(A) + UBound(A)) / 2) For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
【单选题】小叶海藻的特征是
A.
叶条形或细匙形、气囊纺锤形或球形，无刺状突起
B.
叶圆形，全缘，气囊椭圆形
C.
叶披针形、狭披针形或丝状，全缘或有锯齿，革质，有片状突起
D.
叶丝状，丛生，革质
E.
叶倒卵形或卵状披针形，气囊球形或卵球形，侧枝上有细小刺状突起