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【单选题】
当煤的挥发分Vdaf=12%,可磨性系数KCI=48,( )磨煤机,且益选用( )式制粉系统。
A.
钢球磨煤机、中间
B.
中速磨煤机,直吹式
C.
高速磨煤机,直吹式
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参考答案:
举一反三
【单选题】The woman will pay ________ in cash.
A.
$1000
B.
$1100
C.
$900
【单选题】The woman will pay
A.
$ 1.15
B.
$ 1.25
C.
$1.75
【判断题】工作空间管理窗口、命令历史窗口、当前目录窗口。( )
A.
正确
B.
错误
【单选题】学测6 The woman will pay ________ in cash.
A.
$1000
B.
$1100
C.
$900
【单选题】--How are your parents? --______.
A.
They are 40
B.
She is fine
C.
They are OK
D.
These are my parents
【简答题】A.They will not pay for the books. B.The woman will pay more. C.The man will pay more. D.Each of them will pay half the price.
【简答题】A.They are the parents of young children. B.They are professional storytellers. C.The stories will help them improve their vocabulary. D.The stories are required for a course.
【单选题】____ are they?They are my parents
A.
what
B.
who
C.
where
D.
when
【单选题】胃肠道内防碍氨吸收的主要因素是
A.
胆汁分泌减少
B.
蛋白质摄入减少
C.
肠道细菌受抑制
D.
血液中尿素浓度下降
E.
肠内PH小于5
【简答题】Young people are often unhappy when they are with their parents. They say that their parents don’t 36 them. They often think their parents are too strict with them, and they are never given a 37 hand....
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