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【单选题】
三角高程测量时,距离大于( ),要考虑地球曲率和大气折光的影响。
A.
300
B.
350
C.
400
D.
500
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【单选题】下列各项中,应当征收契税的是( )
A.
房屋分拆
B.
企业房产交换
C.
农村集体土地承包经营权的转移
D.
土地使用权典当
【单选题】托烷生物碱类药物的呈色反应鉴别法是
A.
三氯化铁呈色反应
B.
重氮化一偶合反应
C.
Vitali反应
D.
四氮唑反应
E.
茚三酮反应
【单选题】Q:what are the two people talking about?
A.
The repair of the main engine.
B.
The frequency of changing the powder.
C.
The side to get alongside.
D.
The leaving time of the ship.
【单选题】一个由人、机器和程序组成,为营销决策者收集、挑选、分析、评估和分配其所需要的、及时的和准确的信息综合系统就是( )。
A.
生态系统
B.
环境系统
C.
市场营销信息系统
D.
市场营销组织系统
【单选题】Q:What are the two people talking about?
A.
The repair of the main engine.
B.
The frequency of changing the powder.
C.
The side to get alongside.
D.
The leaving time of the ship.
【判断题】仲裁协议一定要在争议发生之前签订。
A.
正确
B.
错误
【单选题】Which one of the following statements concerning COSPAS-SARSAT is true?
A.
EPIRBs are units that are used as alerting devices.
B.
There are satellites in a low-earth polar orbit that detect EPRIB beacons on 406 MHz and relay the information to an earth-side Local User Terminal (LUT).
C.
the Doppler frequency measurement concept is used to determine the EPIRB’s location.
D.
All of these.
【单选题】Beth is a 68 years old woman, who suffered chronic obstructive pulmonary disease for 10 years. Due to cough, cough phlegm aggravated, accompanied by fever, wheezing for 3 days, she was admitted to hos...
A.
Thoracic asymmetry
B.
Prolonged exhalation
C.
Respiratory frequency decreased
D.
Bronchial shift to one side
E.
Audible moist rales
【单选题】Which of the following statements describes the carrier?
A.
The carrier consists of at Ieast 3 separate but closely spaced'frequencies.
B.
The carrier is a radio frequency( RF) signal that, is modified to carry intelligence.
C.
rfhe carrier is used to modulate the information signal.
D.
There are always sidebands on either side of the carrier.
【判断题】栈和链表是两种不同的数据结构。
A.
正确
B.
错误
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