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【单选题】
在多组分精馏中,最小回流比条件下,恒浓区的位置与进料中有无非分配组分有直接的关系。若重组分为非分配组分,而轻组分为分配组分,则恒浓区出现在( )。
A.
精馏段中部和进料板下
B.
进料板上和提馏段中部
C.
进料板上下
D.
精馏段中部和提馏段中部
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举一反三
【单选题】测量体温时如何判断自己发热,平静状态下超过( )
A.
36.8
B.
37
C.
37.3
D.
37.7
【单选题】菊花酥属于中式糕点中的( D),制品层次分明。
A.
酥类糕点
B.
松酥类糕点
C.
松脆类糕点
D.
酥皮类糕点
【单选题】According to Ms. WANG Jie in her video “Asking and Dealing with Questions”, we ask questions in academic discussions for the following purposes EXCEPT for _______ .
A.
clarifying problems
B.
showing special interests
C.
expressing different viewpoints
D.
directing the discussion to irrelevant topics
【单选题】.Mr. Wang is ___ than Mr. Li.
A.
energetic
B.
more energetic
C.
the most energetic
D.
energeticer
【单选题】—Tom is always saying I’m ugly,Mom. —Just ______ him.You are the most beautiful in my eyes.
A.
disagree
B.
ignore
C.
command
D.
dislike
【简答题】说明下列力学性能指标的意义: (1)σ bc (2)σ bb (3)τ s (4)τ b (5)σ bn (6)N SR (7)H BW (8)H RA (9)H RB (10)H RC (11)H V
【单选题】Mr. Wang is interested in Mr. Black's products.
A.
T
B.
F
【单选题】Match hoop stress to it's Chinese meanings
A.
周向应力
B.
环形应力
C.
周向压力
D.
环形压力
【简答题】--- Is the man over there Mr.Wang?--- No, it ______ be him. Mr. Wang is much shorter.A. mustn't B. may not C. needn't D. can't
【简答题】右心房有哪些主要结构
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