读图,回答。
在古登堡界面B处,两波波速的变化特点分别是:C波:()D波:()。
参考答案:C波波速迅速减慢;D波突然消失
关于构建基于内部学习的企业内部知识网络,下列说法不正确的是______
A.内部学习主导方式是行为学习B.在企业内部知识网络中,每个员工既作为知识源而存在,又作为接受和利用知识的节点而存在C.每个员工的个体知识不断同企业已有的知识存量发生复杂的相互作用并成为企业知识存量的一部分D.通过行为学习方式获得的知识大多也可以通过语言、文学、符号等媒介进行交流
In June 1985, two British mountaineers Joe Simpson and Simon Yates made the first-ever climb of the 21,000-foot snow-covered Siula Grande mountain in Peru. It was an exceptionally (26) job, but nothing compared to what was to (27) . Early in the process, Simpson (28) and broke his right knee. Yates could have (29) him but managed to find a way of (30) him down the mountains on a rope in a series of difficult drops. Then Simpson fell into a crevasse and Yates eventually had no (31) but to cut the (32) , completely convinced that his friend was now (33)
In his book on the (34) , Joe Simpson wrote:
(35) I looked at the distant moraines, I know that I must at least try I would probably (36) there among those rocks. If I died, well, that wasn’t so (37) , but I wouldn’t have (38) waited for it to happen. The (39) of dying no longer affected me as it had in the crevasse at first. I now had a chance to (40) it and struggle against it.
The survival of Yates himself was (41) . That Simpson somehow found a way of (42) out of the crevasse after 12 hours and then crawled and (43) himself six miles back to camp, (44) three days and might without food or drink, would be considered as a heroic fiction. But in fact it was so (45) .
33().
A. safe
B. dead
C. alive
D. hurt