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【判断题】
A share house is money-saving. When you share a house, your bills, rents and possibly food costs will be much lower. If the house is already established, you don't have to worry about buying things like a fridge and a TV. Choosing Good Housemates(合租人) Moving in with friends can be fun but it can result in conflict and a loss of friendship. Think carefully about the type of person suited to your character. Ask advice from friends who have lived in share house, or consult a youth worker or a relative. Setting Some Guidelines. Every share house is different, but there are some guidelines(准则) that can help you avoid conflict: Issue or ask for a receipt when you pay or collect the rent. Spread responsibility for bill payment. Where possible, deal with problems through face-to-face communication. Our webpage about living in a share house has some advice and ideas to help make sharing with your housemates a great experience. 请判断正误:According to the first paragraph, the main advantage of a share house is that it saves your money.
A.
正确
B.
错误
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【判断题】保险代理人代表保险人、并依附于保险人,但保险经纪人以自己的名义进行服务,具有独立法律地位,不依附于其他人。
A.
正确
B.
错误
【简答题】假设音频信号x(t)经调制后在高频信道传输。要求接收机输出信噪比S0/N0=50dB。已知信道中信号功率损失为50dB,信道噪声为带限高斯白噪声,其双边功率谱密度为n,音频信号x(t)的最高频率【图片】,并且有【图片】,则当DSB调制时,若接收端采用相干解调,已调信号的平均发送功率=()W
【单选题】易产生耐受性的抗心绞痛药
A.
普萘洛尔
B.
硝酸甘油
C.
硝苯地平
D.
氢氯噻嗪
【判断题】保险代理人代表保险人、并依附于保险人,但保险经纪人以自己的名义进行服务,具有独立法律地位,不依附于其他人。
A.
正确
B.
错误
【单选题】易产生快速耐受性的药物是
A.
异丙肾上腺素
B.
多巴胺
C.
肾上腺素
D.
去甲肾上腺素
E.
麻黄碱
【多选题】反复使用易产生快速耐受性的药物是
A.
肾上腺素
B.
酚妥拉明
C.
麻黄碱
D.
间羟胺
E.
多巴胺
【单选题】易产生快速耐受性的药物是
A.
B.
C.
D.
E.
【简答题】假设音频信号x(t)经调制后在高频信道传输。要求接收机输出信噪比S0/N0=50dB。已知信道中信号功率损失为50dB,信道噪声为带限高斯白噪声,其双边功率谱密度为n,音频信号x(t)的最高频率【图片】,并且有【图片】则:100%的振幅调制时,接收端采用非相干解调,已调信号的平均发送功率=()W
【简答题】假设音频信号x(t)经调制后在高频信道传输。要求接收机输出信噪比S0/N0=50dB。已知信道中信号功率损失为50dB,信道噪声为带限高斯白噪声,其双边功率谱密度为n,音频信号x(t)的最高频率【图片】,并且有【图片】,则:100%的振幅调制时,接收端采用非相干解调,已调信号的传输带宽=()KHz
【简答题】假设音频信号x(t)经调制后在高频信道传输。要求接收机输出信噪比S0/N0=50dB。已知信道中信号功率损失为50dB,信道噪声为带限高斯白噪声,其双边功率谱密度为n,音频信号x(t)的最高频率【图片】,并且有【图片】,则:当SSB调制时,若接收端采用相干解调,已调信号的平均发送功率=()W
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