要使二氧化碳和一氧化碳中含有相同质量的氧元素,则二氧化碳和一氧化碳的质量比是__

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问题:

要使二氧化碳和一氧化碳中含有相同质量的氧元素,则二氧化碳和一氧化碳的质量比是_______。

考点:物质组成元素的质量分数
题型:填空题

下图为人体的消化系统部分结构示意图,请据图回答:

(1) 人体消化和吸收的主要器官是图中_________ (填标号)所示结构。   

(2) 图中①所示器官为_______,它分泌的_______对食物中脂肪的消化起重要作用。  

(3) ②中的胃腺分泌的胃液中含消化__________的酶。

题型:填空题

在名为”Form1”的窗体上添加三个文本框和一个命令按钮,其名称分别为"Text1"、"Text2"、"Text3"和"Command1",然后编写如下两个事件过程: Private Sub Command1_Click() Text3=Text1+Text2 End Sub 打开窗体Form1后,在第一个文本框(Text1)和第二个文本框(Text2)中分别输入5和10,然后单击命令按钮Command1,则文本框(Text3)中显示的内容为______。

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患者男性,66岁。冠心病多年。胸闷、心慌2年余,1年前有脑血栓史。查体:心律完全不规则,心音强弱不等,室律120~180次,有脉搏短绌。

该心律失常的常见并发症是()

A.动脉栓塞

B.肺炎

C.感染性心内膜炎

D.阿-斯综合征

E.完全性房室传导阻滞

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How many of us would temp for three years while we waited for the perfect job Not many of us, perhaps. But Wentworth Miller, the "Prison Break" star, said he chose to wait even longer time (1) he found the right job.
"Actually I think it might have been three or four years until I was lucky enough to get guest (2) on TV shows," said Miller, 34, who rose to international stardom (3) to "Prison Break" in 2006. That kind of patience and p will was portrayed in "Prison Break". Miller (4) engineering wizard Michael Scofield, who tries everything to break out of a Chicago (5) with his brother. Miller said he was fond of his character, (6) he said "exists in shades of grey".
Miller comes from a (7) of teachers. He said he didn’t seem fated for a career in the arts, (8) his passion for acting. After (9) from Princeton with an English degree, he moved (10) his parents’ request to Los Angeles to look for a stable life. He started (11) in a little company that made television movies. This (12) simply faxing, filing, walking the boss’ dog and going to the store for the boss’ lunch. Every weekend during the summer, Miller (13) go to the office (14) he didn’t have air-conditioning. "I would hang (15) in the conference room and set up camp and rob the company kitchen," recalled Miller.
(16) , Miller realized he still had questions about his choice. He decided to quit. But the boss said he was making a mistake and offered him a well-paid assistant position. "I eventually (17) that if I did the corporate job, it would be great if I was successful, but I would always wonder about the (18) . If I did the acting and was successful, I would never wonder (19) that job," he explained. He quit and temped (20) many people in the entertainment industry.
Now, he’s a hot star and has people coming up to him at film festivals saying, "Weren’t you the one who (21) to stand by the copy machine "
"That was tough, but I’m glad I have that perspective. Because now I’m at a point (22) big shots laugh at all my jokes and I think, You know, I got coffee for people like you for six years’. So I know what’s (23) , because I’ve seen the other side." But what if, when he was offered the corporate job, there had been more money "It was never about the (24) There’s a kind of excitement that comes along with acting. I can’t find it anywhere else. Even if I had to go back to temping, even if this is not the beginning of an amazing career, I would not (25) making that jum
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什么是焦炉的加热制度,主要包括哪些项目?

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