强制对流传热系数比自然对流传热系数小。

题型:判断题

问题:

强制对流传热系数比自然对流传热系数小。

考点:合成氨装置操作工合成氨装置操作工题库
题型:判断题

Family member
What does he/she look like?
My father
My father is very tall. He has curly hair. He’s handsome.
My mother
My mother is not beautiful. She is short. She is only 1.5 meters. She has black hair. And she is fat.
My sister
My sister is a lovely girl. She has long curly hair. She’s of medium build.
My brother
My brother looks like my mother. He is short, too. He is very heavy.
 
小题1:What does the writer’s father look like?
A.He is very short.B.He is short and has black hair.
C.He’s of medium build.D.He is tall and has curly hair.
小题2:Who is short and heavy?
A.The writer’s mother and brother.B.The writer’s mother and father.
C.The writer’s father and sister.D.The writer’s father and brother.
小题3:What does the writer look like?
A.He is handsome.B.He is heavy and tall .
C.He has long curly hair.D.We don’t know.
小题4:According to the passage, which is right?
A.There are four people in the writer’s family.
B.The writer’s mother is a beautiful woman.
C.The writer’s father and sister have curly hair.
D.The writer’s brother looks like his sister.
题型:判断题

钠泵的化学本质是

A.Na+、K+-ATP酶
B.胆碱酯酶
C.蛋白水解酶
D.受体蛋白
E.糖蛋白

题型:判断题

AOPP出现“反跳”的原因除外()

A.污染的皮肤未彻底清洗干净

B.洗胃不彻底

C.肝脏代谢增毒作用

D.阿托品停药过早

E.胆碱酯酶复活剂用量过量

题型:判断题

邮政汇兑管理机构指().

A.国家邮政局邮政储汇局

B.各省(含自治区、直辖市)邮政储汇局

C.市(地)邮政储汇分局

D.各县(市)邮政储汇分局

题型:判断题

胃的上部称为上脘,包括:

A.幽门

B.贲门

C.吸门

D.扉门

E.阑门

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