掘进工作面行走时要注意周围的支护情况,严禁在无支护或支护不全的巷道行走、停留和休息。

题型:判断题

问题:

掘进工作面行走时要注意周围的支护情况,严禁在无支护或支护不全的巷道行走、停留和休息。

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下列句子中,没有语病的一句是(   )

A.我们能不能做到可持续发展,是关系到子孙后代切身利益的大问题。我们绝不能做对不起子孙后代的事。

B.如果把干旱的原因归咎于大自然的无情,恐怕还会遭遇更加无情的大自然的报复。因为,人类活动对于少雨干旱等极端天气的影响,已经成为不争的事实。

C.现代文明不仅带来了理性化、工业化、市场化、都市化、民主化和法制化这些美好的社会制度,而且创造了前所未有的物质财富。

D.欧盟23日发表声明称,美国与欧盟当天就中国限制出口稀有金属向世界贸易组织提起诉讼。

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某患者CT示肝区有一3cm×3cm×2cm占位病灶,病检镜下观如图,以下诊断最可能的为()

A.肝硬化

B.原发性肝细胞癌

C.肝海绵状血管瘤

D.肝脓肿

E.以上均不是

题型:判断题

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
p.\

题型:判断题

角度的度量常用()分制和弧度制。

A.45

B.60

C.90

D.180

题型:判断题

图2-14为α-Fe的X射线衍射谱,所用X光波长λ=0.1542nm,试计算每个峰线所对应的晶面间距,并确定其品格常数。

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