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【单选题】
HBV 的核酸类型为A.
RNA
B.
RNA
C.
分节段 RNA
D.
不完全环状 DNA
E.
线性 DNA
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皮皮学刷刷变学霸
举一反三
【单选题】The "law of demand" refers to the fact that, other things remaining the same, when the price of a good rises,
A.
the demand curve shifts rightward.
B.
the demand curve shifts leftward.
C.
there is a movement down along the demand curve to a larger quantity demanded.
D.
there is a movement up along the demand curve to a smaller quantity demanded.
E.
the demand curve shifts rightward and there is a movement up along the demand curve to a smaller quantity demanded.
【单选题】The "law of demand" refers to the fact that, all other things remaining the same, when the price of a good rises
A.
the demand curve shifts rightward.
B.
the demand curve shifts leftward.
C.
there is a movement down along the demand curve to a larger quantity demanded.
D.
there is a movement up along the demand curve to a smaller quantity demanded.
【单选题】The "law" of demand can be best described by
A.
people will buy things that they enjoy.
B.
if incomes rise, people will buy more.
C.
a rise in price will cause shortages.
D.
a fall in price will increase quantity demanded.
【简答题】阳光公司新投产乙产品,市场零售单价 1 000 元,若确定其零批差率为 20% ,批出差率为 10% ,增值税率 17% ,确定乙产品的出厂价格。 (4 分 )
【单选题】在程序设计过程中要为程序调试做好准备主要体现在以下几个方面______。
A.
采用模块化、结构化、设计方法、设计程序
B.
编写程序时要为调试提供足够的灵活性
C.
根据程序调试的需要，选择并安排适当的中间结果输出和必要的“断点”
D.
以上全是
【简答题】新闻语篇翻译
【单选题】下列关于逻辑分析仪的描述,正确的是( )
A.
逻辑分析仪不能检查时序电路各点信号时的时序关系是否正确
B.
逻辑分析仪显示的被测信号的时序关系是否正确
C.
逻辑分析仪通常只有16个通道
D.
逻辑分析仪可进行数据、地址的预置或跟踪检查
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