什么是分布式发电?

题型:问答题 简答题

问题:

什么是分布式发电?

考点:能源科学技术太阳能技术太阳能技术题库
题型:问答题 简答题
已知f(x)=
f(x+1),x<4
(
1
2
)x,x≥4
,则f(log23)=(  )
A.
1
12
B.
1
24
C.
1
4
D.
1
2
题型:问答题 简答题
养殖场有鸡360只,鹅的只数是鸡的 
5
6
,又是鸭的 
3
4
,鸭有多少只?
题型:问答题 简答题

句型转换

1. I want to buy her a present. (改为一般疑问句)

__________ you __________ to buy her a present?

2. Tom wears a new pair of shoes today. (改为一般疑问句)

__________ Tom __________ a new pair of shoes today?

3. Come early tomorrow. (改为否定句)

__________  __________ early tomorrow.

4. She often plays football for half an hour. (对划线部分提问)

__________  __________ __________ she often __________ football?

5. I usually help my mother do housework at the weekends. (对划线部分提问)

___________ ___________ you usually___________ at the weekends?

题型:问答题 简答题

下列哪项在诊断ABO溶血时最有意义()

A.改良Coombs试验

B.游离抗体试验

C.抗体释放试验

D.红细胞脆性试验

E.网织红细胞

题型:问答题 简答题

柴油机的压缩比通常比汽油机的要()。

A.大

B.小

C.相等

D.小10%

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