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【单选题】
对于下面的程序，在MATLAB中运行后f的形式为a=0;b=3*pi; n=1000;h=(b-a)/n; x=a:h:b; f=exp(-0.5*x).*sin(x+pi/6)
A.
数
B.
矩阵
C.
向量
D.
没有结果
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【单选题】用 25 mL 移液管移出的溶液体积应记为( )
A.
25 mL
B.
25.0 mL
C.
25.00 mL
D.
25.000 mL
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【判断题】At a social function, you meet the CEO of an important corporation. After a brief chat, you give him your business card. Is this correct?
A.
正确
B.
错误
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【单选题】Daily has a positive( )to this thing
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attitude
B.
assist
C.
another
D.
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【简答题】Happiness increases when we experience more positive emotions throughout the day.Fredrickson , a leader in the field of psychology , identifies 10 positive emotions , including joy , interest , hope ,...
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【单选题】A 35-year-old man has had epigastric pain for more than 1 year. The pain tends to occur 2 to 3 hours after a meal and is relieved if he takes antacids or eats more food. He has noticed a 4-kg weight g...
A.
Carcinoid syndrome
B.
Fat malabsorption
C.
Hematemesis
D.
Migratory thrombophlebitis
E.
Vitamin B 12 deficiency
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【单选题】在为病人测量脉搏时,错误的做法是
A.
病人剧烈活动后应休息20min再测
B.
用食指、中指和无名指诊脉
C.
异常脉搏需测1min
D.
脉搏细弱测不清可听心率
E.
有绌脉者应先测心率，然后再测脉率
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【单选题】In my opinion, science and technology has a positive effect _____ our daily life.
A.
in
B.
on
C.
at
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【单选题】用25mL移液管移出的溶液体积应记为( )
A.
25ml
B.
25 . 0mL
C.
25 . 00mL
D.
25.000mL
查看完整题目与答案
【简答题】解方程． （1）0.4（x+1.8）=2 （2）x-2.8+2.2=5．
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【单选题】用 25 mL 移液管移出的溶液体积应记为( )
A.
25 mL
B.
25.0 mL
C.
25.00 mL
D.
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查看完整题目与答案
【简答题】Decisive stage in fight against COVID-19 China Daily 已订阅 Shi Yu The people's war against the novel coronavirus (COVID-19) epidemic is entering a decisive stage in China. Statistics show that the epide...
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【判断题】At a social function, you meet the CEO of an important corporation. After a brief chat, you give him your business card. Is this correct?
A.
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B.
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查看完整题目与答案
【单选题】Daily has a positive( )to this thing
A.
attitude
B.
assist
C.
another
D.
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查看完整题目与答案
【简答题】Happiness increases when we experience more positive emotions throughout the day.Fredrickson , a leader in the field of psychology , identifies 10 positive emotions , including joy , interest , hope ,...
查看完整题目与答案
【单选题】A 35-year-old man has had epigastric pain for more than 1 year. The pain tends to occur 2 to 3 hours after a meal and is relieved if he takes antacids or eats more food. He has noticed a 4-kg weight g...
A.
Carcinoid syndrome
B.
Fat malabsorption
C.
Hematemesis
D.
Migratory thrombophlebitis
E.
Vitamin B 12 deficiency
查看完整题目与答案
【单选题】在为病人测量脉搏时,错误的做法是
A.
病人剧烈活动后应休息20min再测
B.
用食指、中指和无名指诊脉
C.
异常脉搏需测1min
D.
脉搏细弱测不清可听心率
E.
有绌脉者应先测心率，然后再测脉率
查看完整题目与答案
【单选题】In my opinion, science and technology has a positive effect _____ our daily life.
A.
in
B.
on
C.
at
查看完整题目与答案
【单选题】用25mL移液管移出的溶液体积应记为( )
A.
25ml
B.
25 . 0mL
C.
25 . 00mL
D.
25.000mL
查看完整题目与答案
【简答题】解方程． （1）0.4（x+1.8）=2 （2）x-2.8+2.2=5．
查看完整题目与答案