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【单选题】
最小照度也称成像灵敏度,是指CCD对环境光线的敏感程度,其()。
A.
单位为LUX,数值越大表示需要的光线越多
B.
单位为LUX,数值小表示需要的光线越少
C.
单位为MM,数值大表示需要的光线越少
D.
单位为MM,数值小表示需要的光线越少
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【单选题】下列业务,应该填制现金收款凭证的是( )。
A.
出售材料一批,款未收
B.
从银行提取现金
C.
出租设备,收到一张转账支票
D.
报废一台电脑,出售残料收到现金
【单选题】According to the passage, the term “plastic sandwich” refers to_____.
A.
a kind of sandwich-shaped toy made of plastics
B.
a kind of plastics with different integration in each layer
C.
a kind of plastics with maximum strength and flexibility
D.
a kind of plastics made of 100% recycled materials
【单选题】下列业务,应该填制现金收款凭证的是( )。
A.
出售产品一批,款未收
B.
从银行提取现金
C.
出租设备,收到一张转账支票
D.
报废一台设备,出售残料收到现金
【单选题】单项选择。 I'd like some ______, please. [    ]
A.
sandwich and milk
B.
sandwiches and milk.
C.
sandwich and milks
D.
sandwiches and milks
【简答题】阅读理解 Sandwich is an Englishman. He lives in the 18th century. Sandwich is rich, but he likes to played cards for money. He often play f'or 24 hours, and doesn't even stop to have his mcals. He ordcrs ...
【单选题】Sandwich was an Englishman. He lived in the 18th century. Sandwich was rich, but he liked to play cards for money. He often played for twenty-four hours, and didn't even stop to have his meals. He ord...
A.
an Englishman
B.
an American
C.
a Frenchman
【单选题】Sandwich made the food 'sandwich' because he ______.
A.
liked eating
B.
liked to make food
C.
wanted play cards while eating
【判断题】函数 f(x) 的原函数加上常数就是不定积分 .
A.
正确
B.
错误
【单选题】我国生药学研究内容集中于
A.
生药的真实性鉴定
B.
生药的有效性评价
C.
生药的安全性评价
D.
以上均是
【单选题】Jerome, Kevin, and Seth shared a submarine sandwich.Jerome ate 1/2 of the sandwich, Kevin ate 1/3 of the sandwich, and Seth ate the rest. What is the ratio of Jerome’s share to Kevin’s share to Seth’s...
A.
2:3:6
B.
2:6:3
C.
3:1:2
D.
3:2:1
E.
6:3:2
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