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【单选题】
IP地址的主机标识部分出现( )时表示为广播
A.
172
B.
127
C.
255
D.
10
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参考答案:
举一反三
【多选题】参与药品消费购买决策过程的角色有 ( )
A.
发起者
B.
影响者
C.
决策者
D.
购买者
【简答题】A century ago in the United States, when an individual brought suit against a company, public opinion tended to protect that company. But perhaps this phenomenon was most striking in the case of the r...
【单选题】Through most of the five centuries of European, African,and Asian immigration to America, _____of settlers have been formally enrolled in religious institutions.
A.
more than half
B.
as much as half
C.
most
D.
less than half
【单选题】模拟某一天气系统小实验,在塑料盒中间插一隔板,两侧分别注入同体积红色暖水(代表暖空气)与蓝色冷盐水(代表冷空气)。回答下列小题:在向上抽出隔板后的数秒内,冷暖水之间()
A.
出现水平交界面,蓝色水在上
B.
出现水平交界面,红色水在上
C.
出现倾斜交界面,蓝色水在上
D.
出现倾斜交界面,红色水在上
【单选题】The Confucians think the education of music should()
A.
Make most of the people be able to sing and dance
B.
Make people forget their social status and behave themselves in music
C.
Educate music to royal and noble family only
D.
Let ordinary people learn their morality and value through listening music
【简答题】(6分)科学家设计了航天座舱内空气更新实验系统,该系统气体循环示意图如下: (1)座舱内的浑浊气体在气体分离装置中分离,多余的二氧化碳、水蒸气分别送到相关处理装置中。该分离装置中,气体分离属于_______(填“物理”或“化学”)变化。 (2)二氧化碳处理装置是让二氧化碳和氢气在一定条件下发生反应,反应的化学方程式为______________________________,属于基本反应类型中的...
【简答题】各种中尺度观测网的加密观测资料进入资料融合系统,使之能真实反映天气系统特别是灾害性天气的()和演变特征。完善资料融合方法,拓展()方法,发展非线性外推算法,能对对流单体的生、消、发展自动做出估计。
【单选题】By the phrase 'diffused through the 'artistic genius of centuries,' the author most likely means ______.
A.
the individual artists of the Middle Ages did not have serious talent
B.
great works of art from the Middle Ages have survived until now
C.
an artist who faithfully followed the rules of religious art was not recognized during his lifetime
D.
the rules of religious art, developed over time, left little freedom for the artist
【单选题】. The young teacher found it hard to _____ his explanation in class most of the time.
A.
go through         
B.
pull through        C come acmes        D. get across
【单选题】模拟某一天气系统小实验,在塑料盒中间插一隔板,两侧分别注入同体积红色暖水(代表暖空气)与蓝色冷盐水(代表冷空气)。回答下列小题: 该模拟实验存在的主要不足是() ①没能模拟出主导气流的运动方向 ②没能模拟出成云致雨的天气现象 ③没能模拟出冷锋与暖锋 ④没能模拟出冷暖空气的密度差异
A.
①②③
B.
②③④
C.
①③④
D.
①②④
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