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【单选题】
运算放大器线性应用电路输出电阻与运算放大器输出电阻的关系是( )。
A.
相等且比较小
B.
前者小于后者
C.
前者大于后者
D.
相等且比较大
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参考答案:
举一反三
【单选题】乙肝病毒最主要的传播途径是( )
A.
垂直传播
B.
消化道
C.
输血和注射
D.
节肢动物叮咬
E.
直接接触
【单选题】乙型肝炎病毒最主要的传播途径是
A.
消化道传播
B.
注射途径传播
C.
母婴传播
D.
血液传播
E.
日常生活密切接触传播
【简答题】(2) Once you get to work, take a few minutes to ____(priority) your tasks.
【单选题】柯萨奇病毒最主要的传播途径是( )
A.
呼吸道传播
B.
消化道传播
C.
母婴传播
D.
蚊虫叮咬
【单选题】Ibuprofen is a weak acid with a p K a of 4.9 (shown with the ionizable hydrogen with a star). It is absorbed through the stomach and the small intestine as a function of polarity—charged and very pol...
A.
More ibuprofen will be absorbed in the small intestine because it will be uncharged due to the pH being greater than the p K a
B.
More ibuprofen will be absorbed in the stomach because it will be uncharged due to the pH being lower than the p K a .
C.
More ibuprofen will be absorbed in the small intestine because it will be charged due to the pH being greater than the p K a .
D.
More ibuprofen will be absorbed in the stomach because it will be charged due to the pH being lower than the p K a .
E.
Ibuprofen will be absorbed equally well in both the stomach and small intestine.
【单选题】Where is the stomach in the body?
A.
in the left–top abdomen
B.
in the left lower abdomen
C.
in the right–top abdomen
D.
in the right lower abdomen
【单选题】Where is the main location of protein digestion
A.
stomach
B.
small intestine
C.
liver
D.
kidney
【判断题】旧版第五套人民币1元硬币的材质为白铜合金
A.
正确
B.
错误
【单选题】Once you get to the United States, you will have to ______ yourself to a completely new lifestyle.
A.
adopt
B.
adapt
C.
adjust
D.
accustom
【单选题】企业用银行存款购买设备,为进行生产活动作准备,这时企业的货币资金变成了( )
A.
储备资金
B.
生产资金
C.
固定资金
D.
成品资金
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