闸板阀在安装时没有方向性要求。(指流体的流动方向)。

题型:判断题

问题:

闸板阀在安装时没有方向性要求。(指流体的流动方向)。

考点:压缩机工考试初级压缩机工初级压缩机工题库
题型:判断题

情景交际

A. Who do you think is the best?        

B. I could not stop laughing.

C. Who do you think is the worst?        

D. I know.

E. they were definitely the loudest.        

F. I don't know.

G. I stopped laughing.A:Wasn't that a great talent show?

B: Yeah!

A: 1._____

B: Oh, I thought Eliza is the best. She is an excellent piano player.

A: Yeah, she was great. And I thought Steve and his dog were the funniest.

B: Me, too! 2._____  And how about Vera? Wasn't she creative?

A: Yes, I'd say she was the most creative actress! I don't know many people who can

    play the guitar upside down !

B: 3._____ 

A: Oh, Dennis! He was terrible! He can't juggle at all!

B: 4._____ 

A: What did you think of the math teachers?

B: Well, 5._____ 

题型:判断题

畸形中央尖最常发生于

A.上颌磨牙

B.下颌磨牙

C.上颌前磨牙

D.下颌前磨牙

E.下颌尖牙

题型:判断题

以下各项关于原发性甲状腺功能亢进的叙述中,不正确的是()

A.是所有甲状腺功能亢进中最常见的一种

B.为自身免疫性疾病

C.特点是甲状腺肿大伴随甲亢症状

D.因常伴有眼球突出,故亦称突眼性甲状腺肿

E.多见于20~40岁青年男性

题型:判断题

营养强化食品中,赖氨酸主要用于强化()

A.面粉

B.乳制品

C.固体饮料

D.食盐

E.酱油

题型:判断题

关于视神经胶质瘤的描述,正确的是()

A.多为分化好的星形细胞瘤

B.多为少枝胶质瘤

C.原发于颅内者侵袭性小

D.后视路多发

E.起自眶内视神经多呈球形

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