.制造航天飞行器时,在不影响其他技术指标的情况下,应该选用密度______(小/

题型:填空题

问题:

.制造航天飞行器时,在不影响其他技术指标的情况下,应该选用密度______(小/大,下同)的材料,这样它的质量就比较______,从而有利于升空飞行.

考点:与密度有关的物理现象
题型:填空题

根据对话内容,在空白处填写一个适当的话语(话语可能是一个单词、一个短语或一个句子),使对话完整。(10分)

A: Morning! What can I do for you?

B: We’d like to make a trip for a weekend holiday, please.

A: There are many travel paths. (旅行路线)小题1:        ____   

B: We’d like to choose(选择)Huang Mountains.

A: It’s really worth (值得)visiting. 小题2:     _____      

B: We’re not sure. Which hotel do you think is comfortable?

A: The Holiday Home is very good. What’s more important, 小题3:      ____     

B: We don’t want to live in an expensive hotel. That’s what we’ll do.

A: Could you please fill in this form?

B: 小题4:      ____     I’ll ask my wife to fill in this form. By the way, is it all right if we pay by credit card?

A: Yes, it is quite all right. I hope that you 小题5:         ___   

B: Thank you.

题型:填空题

首先考虑的诊断是

A.右侧小脑幕切迹疝

B.右侧鞍旁脑膜瘤

C.右侧脊索瘤

D.右颈内动脉后交通动脉动脉瘤

E.右侧颞叶动静脉畸形

题型:填空题

每周六合彩是从1,2,3,…,48,49中任意抽出6个互不相同的数.莫非的父母买了一张 * * ,号码为2,17,26,29,30,43.开奖抽出的前五个号码是l7,26,30,2和43.那么第六个号码为29的可能性(概率)是______.

题型:填空题

慢性活动性胃炎治疗时应特别注意采用

A.强力抑酸药
B.胃黏膜保护药
C.抗幽门螺杆菌治疗
D.促胃肠动力药
E.抗抑郁药

题型:填空题

下列债券发行的定价方式中,( )是以募满发行额为止的中标者最高收益率作为全体中标者的最终收益率。

A.以价格为标的的荷兰式招标
B.以价格为标的的美式招标
C.以收益率为标的的荷兰式招标
D.以收益率为标的的美式招标

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