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问题
单项选择题
链条炉的炉膛由炉拱、()等部分组成。
A.燃烧室
B.炉墙
C.炉管
D.下降管
答案
参考答案:B
填空题
用所给单词的适当形式补全下面这段话.
good run health like tomato
Liu Xiang is a
1
star , He eats
2
,He eats lots of
3
food . For breakfast ,
he
4
eggs , bananas and apples . For lunch ,he likes hamburgers,
5
, meat and French
fries.
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填空题
设a、b、c均为正数,且
3
a
=lo
g
1
2
a,(
1
3
)
b
=lo
g
1
2
b,(
1
3
)
c
=lo
g
2
c
,则a,b,c由大到小的排列是______.
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