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【单选题】
烟气中灰颗粒对受热面管子的磨损量与烟气速度的( )成正比。A.
A一次方
B.
B二次方
C.
C三次方
D.
D四次方
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反馈参考答案：
举一反三
【多选题】What are the common ways facial changes using to express sudden changes in a character's feelings?
A.
Blowing dust
B.
Manipulating beard
C.
Pulling-down masks
D.
Mop
【单选题】What aspect of seeds does the professor mainly discuss?
A.
Hereditary changes in seeds
B.
Ways that seeds are dispersed
C.
Genetic engineering of seeds
D.
How seeds germinate and grow
【单选题】关于谷氨酸脱氢酶的叙述,不正确的是
A.
需氧脱氢酶
B.
由6个相同亚基组成
C.
辅酶是NAD+/NADP+
D.
GDP和ADP是变构激活剂
E.
催化L-谷氨酸脱氨生成α-酮戊二酸
【单选题】Word环境下编辑一个会议通知，需要将U盘上的“会议附件.doc”文件作为附件直接加在通知后面，应使用的操作是(5)。
A.
“插入”→“对象”
B.
“插入”→“文件”
C.
“插入”→“书签”
D.
“文件”→“打开”
【单选题】changes in the ways people spend their holidays
A.
narration
B.
exposition
C.
argumentation
D.
description
【单选题】There are several ways that an existing relationship changes negotiation dynamics. Which one of the following is not one of those ways?
A.
Negotiating may never end.
B.
Relationship preservation is the overarching negotiation goal.
C.
Distributive issues can be emotionally hot.
D.
In many negotiations, the other person is the focal problem.
E.
Negotiating with relationships takes place immediately at the beginning.
【单选题】关于L-谷氨酸脱氢酶的叙述不正确的是
A.
能催化多种氨基酸脱氢
B.
以 NAD + 和 NADP + 为辅酶
C.
是六聚体的变构酶
D.
变构激活剂是GDP、ADP
E.
变构抑制剂GTP、ATP
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