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【判断题】
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正确
B.
错误
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参考答案:
举一反三
【单选题】下列关于二维码的叙述,错误的是
A.
密度高、容量大
B.
可用于物品的描述
C.
可用图像扫描仪识别
D.
在二维码中只有纵向的条码
【单选题】lim n→∞ C 0n + C 1n + C 2n 1+3+5+…+(2n-1) =(  )
A.
1
B.
1 2
C.
1 3
D.
1 4
【单选题】精神卫生护理服务的对象是
A.
精神疾病病人
B.
亚健康人群
C.
精神障碍的人
D.
正常人
E.
所有人群
【单选题】---Where you put my dictionary? ---I left it on your desk when you to Tom.
A.
did; spoke
B.
have; were speaking
C.
had; were speaking
D.
had; spoke
【单选题】With the nurse who is very experienced and thoughtful ______ her mother from next Monday, her wor
A.
10.With the nurse who is very experienced and thoughtful ______ her mother from next Monday, her worry decreases a lot. A.looking after
B.
look after
C.
to look after
D.
looked after
【单选题】下列关于使用扫描仪注意事项的叙述中,错误的是( )。
A.
移动扫描仪前,应先锁住光学组件
B.
必要时可以使用有机溶剂来清洁扫描仪
C.
扫描仪的驱动程序应经常更新
D.
使用过高的分辨率可能会降低识别率
【单选题】Her husband died in 1992, ____________.
A.
left her with two children
B.
being left her with two children
C.
leaving her with two children
D.
being leaving her with two children
【单选题】After the death of her father, friends of Jess Hinds tried to help her out of ______.
A.
working pressure
B.
emotional trouble
C.
economic pressure
D.
marriage problem
【单选题】lim n→∞ C 0n + C 1n + C 2n +…+ C n-1n 1+ 2 n+1 的值为(  )
A.
1
B.
-1
C.
0
D.
1 2
【单选题】下列关于扫描仪的叙述中,错误的是( )
A.
分辨率是扫描仪的一项重要性能指标
B.
扫描仪能将照片、图片等扫描输入计算机
C.
扫描仪的工作过程主要基于光电转换原理
D.
滚筒式扫描仪价格便宜、体积小
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