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【单选题】
关于原子吸收分光光度计下列叙述错误的是()
A.
光源是空心阴极灯
B.
原子化器为石墨炉或火焰原子化器
C.
分光系统在原子化器前面
D.
检测器为光电倍增管
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【判断题】S7-200 是大型PLC,用于车间级设备的控制系统
A.
正确
B.
错误
【单选题】When Jim had seen the film, he ceased _________ in the novel.
A.
interested
B.
to interest
C.
interesting
D.
being interested
【简答题】as a pioneering novelist of england, Daniel Defoe is often give the credit for the discovery of the modern novel. Does he descerve that honor? what is the title of his great work? when was the book pu...
【单选题】Larry was so absorbed in his novel that he forgot about his dinner cooking in the oven.
A.
engrossed
B.
obliged
C.
enlivened
D.
excelled
【判断题】在春秋战国时代,各民族已经出现了非常清晰的划分,根据其不同的文化和生活方式。
A.
正确
B.
错误
【单选题】Johnson was so absorbed in his novel that he forgot about his dinner cooking in the oven.
A.
obtained
B.
enlivened
C.
obliged
D.
engrossed
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【多选题】(3-9)Scanner类提供了便捷输入操作,可以通过键盘输入哪些数据,并对输入的数据进行合法性检查?
A.
int
B.
double
C.
Object
D.
char
E.
String
【单选题】We call t he hero with positive personalities and qualities in the novel .
A.
Protagonist
B.
Antagonist
C.
Flat character
D.
Round Character
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