In June 1985, two British mountaineers Joe

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问题:

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) .

42()

A.running 

B.walking 

C.climbing 

D.escaping

考点:教师招聘考试中学教师招聘笔试教师公开招聘考试中学英语
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缺氧早期的主要表现()

A.脉搏增快,呼吸加深加快 

B.脉搏变慢,血压下降 

C.脉搏增快,血压升高 

D.脉搏增快,呼吸减慢 

E.脉搏增快,血压下降

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载体蛋白既可以介导协助扩散,又可以介导主动运输。

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如图所示为一真空示波管,电子从灯丝K发出(初速度不计),经灯丝与A板间的加速电压U1加速,从A板中心孔沿中心线KO射出,然后进入两块平行金属板M、N形成的偏转电场中(偏转电场可视为匀强电场),电子进入M、N间电场时的速度与电场方向垂直,电子经过电场后打在荧光屏上的P点。已知加速电压为U1,M、N两板间的电压为U2,两板间的距离为d,板长为L1,板右端到荧光屏的距离为L2,电子的质量为m,电荷量为e。求:

(1)电子穿过A板时的速度大小;

(2)电子从偏转电场射出时的侧移量;

(3)P点到O点的距离。

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关于物体内能的变化,以下说法正确的是(     )

A.物体对外做功,内能一定减小

B.物体吸收热量,内能一定增大

C.一定量的0℃的水结成0℃的冰,内能一定减少

D.物体吸收热量,同时对外做功,内能可能不变

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下列活动属于履行政府职能的有()。

A.政协委员就关系我国改革发展稳定大局和人民群众切身利益的重要问题积极建言献策

B.居委会维护居民的合法权益,管理居民的公共事务和公益事业

C.由民政部、国家人防办和北京市政府共同组织的“国际民防日”宣传活动于2009年3月1日在北京举行

D.2009年2月23日,中 * * 政治局召开会议。会议指出,要大幅度提高社会保障水平

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