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【多选题】
下列哪些是氮的去向?A.
反硝化作用
B.
雨水和灌溉
C.
氮挥发
D.
亚硝化反应
E.
大气氮沉降
F.
施肥
G.
氮淋洗
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举一反三
【简答题】Complete the following sentences by choosing the best word. respectful named race respect bound naming debt respective But a man _______ Al Herpin turned out to be a real exception, for he...
【单选题】Flinders' discoveryAboard Investigator, Flinders reached and named Cape Leeuwin on 6 December 1801, and proceeded to make a survey along the southern coast of the Australian mainland. On his way he st...
A.
Flinders reached and named Cape Leeuwin on 6 December 1801.
B.
Flinders proceeded to Sydney, arriving on 9 May 1802.
C.
Flinders jettisoned two wrought-iron anchors which were found by drivers.
D.
The best bower anchor is on display at the South Australian Maritime Museum.
【简答题】试述分组选配法的特点。
【单选题】Flinders' discoveryAboard Investigator, Flinders reached and named Cape Leeuwin on 6 December 1801, and proceeded to make a survey along the southern coast of the Australian mainland. On his way he st...
A.
1799.
B.
1800.
C.
1801.
D.
1802.
【简答题】同步器有几种?为什么变速器中要装有同步器?
【单选题】写递归算法,将二叉树中所有结点的左、右子树相互交换。 Status ExchangeBiTree(BiTree& T) { BiTreep; if(T){ p=T->lchild; T->lchild=T->rchild; T->rchild=p; ExchangeBiTree(T->lchild); __________ } returnOK; }
A.
A.ExchangeBiTree(p);
B.
ExchangeBiTree(T->rchild);
C.
ExchangeBiTree(T->lchild->rchild)
D.
ExchangeBiTree(T);
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