该表内容为某年中日美英四国人均能源消费和人均二氧化碳排放量的有关数据，回答4-5

有关特发性门脉高压症，以下哪种说法不恰当（）.

A.临床表现为脾大、全血细胞减少和出血

B.肝细胞再生形成假小叶压迫肝窦所致

C.肝内窦前性门静脉压力增高

D.与门静脉纤维变形有关

E.治疗应首选分流术

已知f（x）是一次函数，f（10）=21，且f（2），f（7），f（22）成等比数列，则f（1）+f（2）+…+f（n）等于______．

下列工厂均属于动力指向型的是

A．制糖厂、水果罐头厂

B．服装厂、石油化工厂

C．卫星制造厂、电子装配厂

D．炼铜厂、炼铝厂

患者女，61岁，因“血尿1周”来诊。膀胱镜：膀胱内可见直径约2cm单发 * * 状新生物。

最可能的诊断是（）

A.肾结石

B.肾盂肾炎

C.肾盂肿瘤

D.膀胱肿瘤

E.膀胱结石

We had guests last night who have not stayed in a B&B hotel ago. They did not want breakfast because that they were going out early in the morning. They came back lately and had some tea. I came into the living room and saw one of them just go through the kitchen door but turn on the light. He was looking for a glass the cupboard. He had no ideas that the kitchen was not for guests. I just smiled to me and thought, "What can I do We are guests after all. \

______