标准状态下,1L液氧为()kg。A、0.8 B、1.37 C、1.14 D、2

题型:单项选择题

问题:

标准状态下,1L液氧为()kg。

A、0.8

B、1.37

C、1.14

D、2

考点:压缩机工考试初级压缩机工初级压缩机工题库
题型:单项选择题

补全对话。

      (A girl wants to buy a camera. Now she is in a shop.)

MAN: Good morning. 1_____?

GIRL: Yes, please. I'd like to buy a camera.

MAN: We have many cameras here. Some are made in. China, and some are made in other countries.

GIRL: This one looks very nice. 2_____?

MAN: In Japan.

GIRL: 3_____?

MAN: 5000 yuan. This is a digital camera.

GIRL: Wow, that's too expensive! 4_____. Do you have an ordinary one?

MAN: Sure. What about those ones?

GIRL: Well, this one looks very good. And the price is OK. Is it made in China?

MAN: Yes, it's made in Shanghai.

GIRL: OK, 5_____.

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点火线圈QD130电压等级是()V。

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男患,49岁,左侧面颊部反复发作性剧烈性疼痛3.5年,每次持续数秒钟,触及左侧鼻唇时均可诱发疼痛,神经系统检查未发现异常。目前临床上止痛最有效药物()。

A.卡马西平

B.苯妥英钠

C.泼尼松

D.氯硝西泮

E.索米痛片

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经审查认定的全部证据形成(),可以作为作出行政处罚的事实依据。

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子宫肌瘤彩色多普勒经腹超声特征是()

A.肌瘤中心见丰富血流,分布规则

B.肌瘤中心见丰富血流,分布杂乱

C.肌瘤周围显示血流,呈环状或半环状

D.肌瘤内多见极丰富血流

E.无血流

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