无烟煤与其他煤相比，最突出的特点是（）。 A.固定碳高 B.挥发物少 C.灰份少 D

A Survey Report On The Middle School Students Laptop Buying

The students in Sunshine Middle School hope to know the specific situation on the middle school students buying laptop through the questionnaire survey. By this, they could analysis(分析) the statistical data to find the laptop brand(品牌), price and the main use which the middle school students prefer. They gave out 200 questionnaires. The followings show the results of it.

1. Analysis of laptop brand                2. Analysis of laptop price

3. Analysis of the purchase(购买) places      4. Analysis of the main use

小题1:Which brand is the most popular among middle school students?

A．Dell.

B．ASUS.

C．Lenovo.

D．HP.小题2:What price may be more acceptable by the middle school students?

A．2000-2999.

B．3000-3999.

C．4000-4999.

D．5000-5999.小题3:How many middle school students choose to buy laptops at specific stores?

A．64.

B．72.

C．20.

D．34.小题4:The main purpose for the middle students to buy a laptop is       .

A．to study and work

B．to play games

C．to watch films

D．to chat小题5:Where can you read this article?

A．In a comic book.

B．In a novel.

C．In a travelling magazine.

D．In a newspaper.

一个圆锥形沙堆，底面周长是18.84米，高是1.8米，如果每立方米沙重1.5吨，这堆沙重多少吨？

患者男性，60岁。居住江南水乡农村，因发热、乏力、腹胀、尿少来院就诊。自诉年青时患血吸虫病、接受过锑剂注射治疗。一般检查见面色黝暗，神志清楚，应答正确。体温38.5℃，血压110/60mmHg，腹部膨隆，呈蛙状腹。

查体：腹部有轻度压痛，以两下腹部为主。腹壁软，无肌紧张和腹壁板僵直，巩膜黄染，男性 * * 发育，腹壁静脉怒张。腹水征阳性，脐周叩诊呈鼓音。经各项检查证实为血吸虫性肝硬化伴腹水感染。应给予必要的治疗措施包括（）。

A.间歇给予白蛋白

B.保钾利尿剂，排钾利尿剂

C.低盐饮食

D.限制水摄入量

E.卧床休息

F.抽放腹水胃肠减压

老川大的校训是（）。

我国地方政府规章的制定主体是（）

A．国务院各部委

B．省、自治区、直辖市人民政府

C．省、自治区人民政府所在地的市人民政府

D．国务院批准的较大市人民政府

E．经济特区所在地的市人民政府