关于恋爱方式中拒绝法不妥当的是（）A、必须及时B、必须友善C、必须直截了当D、必须巧

阅读理解。

     Liu Yun is my best friend. She is twelve years old. We are the same age. She studies in Class 3,

Grade 5. She is short and a little fat. She has small eyes. Maybe she isn't beautiful, but she studies

hard. From Monday to Friday she has many classes. Her favourite subject is Chinese. She likes

reading. After school she always goes to read in the library.

根据短文内容判断对错，对的写 T，错的写 F。

( )1. I'm twelve years old.

( )2. Liu Yun is in Class 5, Grade 3.

( )3. Liu Yun is very fat.

( )4. Liu Yun is a nice girl.

( )5. Liu Yun likes Chinese best.

经保守治疗，病人中心静脉压 20cmH₂O，血压60/40mmHg，尿量30ml/L，考虑原因为

A．心功能衰竭

B．肾功能衰竭

C．补充晶体液不足

D．补充胶体液不足

E．止血效果不好

印度自然地理特点，正确的是（　　）

A．北部是山地，中部是平原，南部是高原

B．全国都是热带季风气候

C．东临阿拉伯海，西邻孟加拉湾

D．印度河是其主要的河流

流式细胞术尿沉渣分析仪报告红细胞信息为非均一性红细胞，提示患者患有（）。

A.膀胱炎

B.膀胱肿瘤

C.肾盂肾炎

D.肾小球肾炎

E.膀胱结石

燃用低挥发分的煤种时如何防止结焦及灭火？