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【单选题】Dear Mr. Smith: Thank you very much for your inquiry dated December 12, 2002. I am glad to tell you that we are an outstanding hi-tech company specializing in telephone facilities and are able to of...
A.
telephone recorders
B.
exclusive products
C.
telephone facilities
D.
mobile telephones
【单选题】关于s区元素的性质，下列叙述中不正确的是( )
A.
由于s区元素的电负性小，所以都形成典型的离子型化合物
B.
在s区元素中，Be和Mg因表面形成致密的氧化物保护膜而对水较稳定
C.
s区元素的单质都有很强的还原性
D.
除Be和Mg外，其他s区元素的硝酸盐或氯酸盐都可做焰火材料
【单选题】Task 2Directions: This task is the same as Task 1．The 5 questions or unfinished statements are numbered 41 through 45.Dear Mr．Smith: Thank you very much for your inquiry dated December 12, 2002．I am g...
A.
telephone recorders
B.
telephone facilities
C.
exclusive products
D.
mobile telephones
【单选题】Dear Mr. Smith: Thank you very much for your inquiry dated December 12, 2002. I am glad to tell you that we are an outstanding hi-tech company specializing in telephone facilities and are able to of...
A.
first one
B.
third one
C.
second one
D.
fourth one
相关题目：
【单选题】Dear Mr. Smith: Thank you very much for your inquiry dated December 12, 2002. I am glad to tell you that we are an outstanding hi-tech company specializing in telephone facilities and are able to of...
A.
telephone recorders
B.
exclusive products
C.
telephone facilities
D.
mobile telephones
【单选题】关于s区元素的性质，下列叙述中不正确的是( )
A.
由于s区元素的电负性小，所以都形成典型的离子型化合物
B.
在s区元素中，Be和Mg因表面形成致密的氧化物保护膜而对水较稳定
C.
s区元素的单质都有很强的还原性
D.
除Be和Mg外，其他s区元素的硝酸盐或氯酸盐都可做焰火材料
【单选题】化学元素( )是引起钢材热脆性的主要原因
A.
C
B.
S
C.
P
D.
Mn
【单选题】《二泉映月》吸收了()的音乐元素。
A.
佛家
B.
儒家
C.
法家
D.
道教
【单选题】Task 2Directions: This task is the same as Task 1．The 5 questions or unfinished statements are numbered 41 through 45.Dear Mr．Smith: Thank you very much for your inquiry dated December 12, 2002．I am g...
A.
telephone recorders
B.
telephone facilities
C.
exclusive products
D.
mobile telephones
【单选题】Dear Mr. Smith: Thank you very much for your inquiry dated December 12, 2002. I am glad to tell you that we are an outstanding hi-tech company specializing in telephone facilities and are able to of...
A.
first one
B.
third one
C.
second one
D.
fourth one
【单选题】超铀元素大部分是
A.
β+辐射体
B.
α辐射体
C.
γ辐射体
D.
β-辐射体
E.
βγ辐射体
【多选题】高保真原型包括:()、()、()。
A.
真实的原型
B.
现成的原型
C.
DIY原型
D.
手板
【判断题】钢中的杂质元素“P”会引起钢的“冷脆”.
A.
正确
B.
错误
【单选题】按铀元素含量划分铀矿石时,中 矿的铀平均品位为 ( )
A.
0.1 ％～ 0.5 ％
B.
<0.3%
C.
0.05% ～0 .1%
D.
0.1% ～ 0.3%
【单选题】在数据结构中，数据元素可由()。
A.
实体
B.
域
C.
数据项
D.
字段
【判断题】低保真原型和高保真原型的区别就是颜色不同（ ）
A.
正确
B.
错误
【单选题】AAC-LD（）kHz采样高保真CD音质支持双声道
A.
7
B.
16
C.
48
D.
【单选题】人体必需微量元素包括
A.
硫、铁、氯
B.
铁、铬、钴
C.
碳、镁、氟
D.
钙、锌、碘