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问题 填空题

不等式10（x+4）+x≤84的非负整数解为______．

答案

去括号得，10x+40+x≤84，

移项合并同类项得，11x≤44，

系数化为1得，x≤4．

所以不等式的非负整数解为：4，3，2，1，0．

填空题

先通读下面的短文，然后根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整。

In many countries, people t__________ 小题1:by car or by bike. They also get from place to place using p__________ 小题2:transport such as buses and trains. However, some people live in parts of the world where it is i__________ 小题3:to build roads.

It is difficult to w__________小题4:in snow but easy to ski over it. So in places like Alaska, people use skis. If they want to go faster, they get dogs to p__________ 小题5:them on sleds(雪橇). Riding a snowmobile(雪地摩托) is a more m__________ 小题6:, but expensive way of getting around on snow.

In desert(沙漠) like the Sahara in North Africa, people s__________小题7:get around on camels. Camels survive w__________ 小题8:in the desert, not because they can s__________ 小题9:water in their bodies though! They can survive without water for two weeks and without f__________小题10:for up to a month. H__________ 小题11: can only go without water for about three to five days.
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单项选择题

男性，50岁，既往体健，进行性厌食，消瘦乏力，伴腹上区不适5个月。近2个月来，上述症状日见加重。检查：Hb80g/L，尿常规正常，SGPT30U，血清白蛋白30g/L，球蛋白20g/L，BSP潴留试验45’＜5%，大便隐血试验(+++)

上述病例最可能的诊断是

A．门脉性肝硬化

B．消化性溃疡

C．慢性胰腺炎

D．胃癌

E．慢性迁延性肝炎
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