在轴流式压气机基元级内气流参数的变化是：（）.A.在叶轮内绝对速度增大，相对速度增大

发布时间：2020-02-06 03:08 │ 来源：www.tikuol.com

题型：单项选择题

问题：

在轴流式压气机基元级内气流参数的变化是：（）.

A.在叶轮内绝对速度增大，相对速度增大，压力和温度升高；在整流器内绝对速度减小，压力和温度升高

B.在叶轮内绝对速度增大，相对速度增大，压力和温度下降；在整流器内绝对速度减小，压力和温度升高

C.在叶轮内绝对速度增大，相对速度减小，压力和温度下降；在整流器内绝对速度减小，压力和温度升高

D.在叶轮内绝对速度增大，相对速度减小，压力和温度升高；在整流器内绝对速度减小，压力和温度升高

考点：民用航空器维修执照考试 M14燃气涡轮发动机 M14燃气涡轮发动机题库

题型：单项选择题

阅读理解。

Suppose you work in a big firm and find English very important for your job because you often deal with
foreign businessmen. Now you are looking for a place where you can improve your English, especially your
spoken English. 　　
Here are some advertisements about English language training from newspapers. You may find the
information you need.

Global English Center 　　
       *General English in all four skills:listening,speaking,reading,and writing.
       *3-month (700 yuan), 6-month (1,200 yuan) and one-year (2,000 yuan) courses.　
       *Choice of morning or evening classes,3 hours per day, Mon-Fri.　　
       *Experienced college English teachers.　
       *Close to city center and bus stops.　　
       Tel: 67705272　　Add: 105 Ahongshan Road, 100082

Modem Language School 　　
       *Special courses in English for business, travel, banking．hotel management and office skills.
       *Small classes (12-16 students) on Sat. & Sun. from 2:00-5:00 p. m. 　　
       *Native English teachers from Canada and USA.　　
       *Language lab and computers supplied.　　
       *3-month course:1,050 yuan; 6-month course:1,850 yuan．　　
       Write or phone; Modem Language School, 675 Park Road. 100056 　　
       Tel: 67353019

The 21 st Century English Training Centre 　　
       *We specialize in effective (卓有成效的) teaching at all levels.　　
       *We offer morning or afternoon classes．both three months and a half at a cost of 800 yuan.　　
       *We also have a six-week TOEFL preparation class during winter and summer holidays.　　
       *Entrance exams: June 1 and Dec.1.　　
       *Only 15-minute walk from city center.　　
       Call 67801642 for more information.

The International House of English 　　
       *Three／Six-month English courses for students of all levels at very low cost:60 yuan for 12
          hours per week；convenient (方便的) class hours: 9:00-12:00 a. m. and 2:00-5:00 p.m. 　
       *A four-month evening programmer for developing speaking skills (same cost as day classes). 　　
       *Free sightseeing and social activities (活动).　　
       *Very close to the Central Park, For further information call 67432308.

1. You work from 9:00 a. m. to 4:30 p. m. every day. Which school will you choose?

[ ]

A. Global English Center and Modem Language School. 　　
B. The 21st Century and the International House. 　　
C. Modern Language School and the 21st Century. 　　
D. Global English Center and the International House.

2. The 21st Century is different from the other three schools in that _____.

[ ]

A. its teaching quality is better
B. it is nearest to the city center 　　
C. it requires an entrance examination
D. its courses are more advanced

3. If you take the evening programmed at the International House, you will pay about _____.

[ ]

A. 960 yuan　　　
B. 240 yuan　　　
C. 720 yuan　　　
D. 60 yuan

查看答案

题型：单项选择题

Ras蛋白失活首先步骤是（）

A.需要激活GAP

B.需要结合GEF

C.需要结合GTP

D.需要解离GTP

E.需要GDP置换为GTP

查看答案

题型：单项选择题

按照《中华人民共和国证券投资基金法》的规定，我国( )享有以下权利：分享基金财产收益，参与分配清算后的声誉基金财产，依法转让或者申请赎回其持有的基金份额，按照规定要求召开基金份额持有人大会，对基金份额持有人大会审议事项行使表决权等。

A．基金托管人

B．基金管理人

C．基金份额持有人

D．服务机构

查看答案

题型：单项选择题

基金会计核算中，承担复核责任的是（）。

A.证券投资基金

B.基金管理公司

C.会计师事务所

D.基金托管人

查看答案

题型：单项选择题

二十八初孕妇，孕33周，自觉乏力、食欲差，伴恶心、呕吐2周，小便深黄色，皮肤瘙痒5日。查体：体温37.5℃，血压130/90mmHg，神志清，皮肤巩膜黄染，躯干及四肢皮肤可见散在出血点，肝肋下未触及，胎头入盆，胎心140次／分。

若ALT542U/L，总胆红素85.5μmol/L，结合胆红素46μmol/L，尿胆红素（+），HBsAg（+），本例最可能的诊断是（）

A.妊娠高血压疾病引起的肝损害

B.妊娠剧吐

C.妊娠急性脂肪肝

D.妊娠合并病毒性肝炎

E.妊娠肝内胆汁淤积症

查看答案

更多题库