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【简答题】
园林植物的生长和繁殖是通过细胞 ___ 来实现的,染色体作为 ___ 的载体通过一系列有规律的变化和传递保证物种的连续性,并通过 ___ 保持了稳定。在有性繁殖情况下, ___ 通过性细胞实现,而在无性繁殖的情况下, ___ 通过体细胞来实现。然而在有性繁殖情况下,亲代与子代之间、子代个体之间,有时会存在不同程度的 ___ 。这种现象称为 ___ 。 遗传学的基本规律分别是 ___ 、 ___ 和 ___ 。它们分别发生在配子形成过程中的 ___ 期、 ___ 、和 ___ 。基因进入配子以及配子的结合都是一种 ___ ,因此遗传学分析中用来推算遗传比率用得最多的是 ___ 和 ___ 二个基本定律。
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参考答案:
举一反三
【判断题】If a company no longer has a clear annual cycle, then it will be impossible to implement performance management.
A.
正确
B.
错误
【单选题】A plc has a large numoer or snarenoiaers. The largest is H,a pension company. H owns 35% of A's share capital. None of the other shareholders own more than 10% of the share capital each. H has stated ...
A.
Minimal effort
B.
Keep informed
C.
Keep satisfied
D.
Key player
【单选题】婚前医学检查中完成采集病史的内容不包括( )。
A.
双方是否存在血缘关系
B.
家庭病史
C.
以往妊娠分娩史
D.
双方家庭经济情况
E.
双方年龄
【单选题】婚前医学检查中完成采集病史的内容不包括( )。
A.
双方是否存在血缘关系
B.
家庭病史
C.
以往妊娠分娩史
D.
双方家庭经济情况
【单选题】A company has the following budgeted costs and revenues: $ per unit Sales price 50 Variable production cost 18 Fixed production cost 10 In the most recent period, 2,000 units were produced and 1,000 u...
A.
4,000
B.
6,000
C.
10,000
D.
14,000
【单选题】If a company has no production resource limitations, in which order would the following budgets be prepared? 1 Material usage budget 2 Sales budget 3 Material purchase budget 4 Finished goods inventor...
A.
5, 4, 1, 6, 3, 2
B.
2, 4, 5, 1, 6, 3
C.
2, 4, 5, 1, 3, 6
D.
2, 5, 4, 1, 6, 3
【多选题】配制酒制作方法很多,以下属于配制酒的制作方法的是( )。
A.
提纯
B.
浸泡
C.
混合
D.
勾兑
【单选题】The Beach House has sales of $784,000 and a profit margin of 8 percent. The annual depreciation expense is $14,000. What is the amount of the operating cash flow if the company has no long-term debt?
A.
$68,760
B.
$72,240
C.
$74,240
D.
$76,720
E.
$81,760
【单选题】If a company has no production resource limitations, in which order would the following budgets be prepared? (i) material usage budget (ii) sales budget (iii) material purchase budget (i) Finished goo...
A.
(v) (iv) (i) (vi) (iii) (ii)
B.
(ii) (iv) (v) (i) (vi) (iii)
C.
(ii) (iv) (v) (i) (iii) (vi)
D.
(ii) (v) (iv) (i) (vi) (iii)
【单选题】If a company has no production resources limitations, in which order would the following budgets be prepared?1 Material usage budget 4 Finished goods inventory budget2 Sales budget 5 Produ...
A.
5, 4, 1, 6, 3, 2
B.
2, 4, 5, 1, 6, 3
C.
2, 4, 5, 1, 3, 6
D.
2, 5, 4, 1, 6, 3
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