【判断题】逻辑函数的各种描述方法之间均可以相互转换。A. √ B. ×
【单选题】When did Jamaica become a free country?
【简答题】已知一段电路两端的电压为15V,通过该段电路的电流为8A,则该段电路的电功率P等于()W。 A、60 B、100 C、120
【单选题】From the last sentence of this passage we conclude that ______.
A.
businessmen know well that advertisement could bring them more profits
B.
advertisent could hardly convince people of the value of goods
C.
business usually do not pay much for advertisement
D.
advertisement usually cost business large amounts of money
【单选题】If you become a college student, you will be free to study _____ you.
B.
whatever that interests
D.
whatever which interests
【单选题】9岁男孩,因双下肢反复皮疹4天,呕吐、腹痛、便血1天就诊。查体:神清,痛苦面容,腹痛剧烈,生命体征平稳,双下肢见密集的、大小不等的红色皮疹,呈对称分布,压之不褪色,高出皮面。病程1个月时尿常规:RBC(+),蛋白(+),应考虑为
【单选题】已知一段电路消耗的电功率为10W,该段电路的电阻为2.5W,则该段电路两端的电压为( )V。
【单选题】下列抗手足浅表性真菌感染的治疗药物中,尤其适用于角化皲裂型足癣的口服处方药是
【单选题】已知一段电路消耗的电功率为10W, 该段电路两端的电压为5V,则通过该段电路的电流为( )A。
【单选题】已知一段电路两端的电压为15V,通过该段电路的电流为8A,则该段电路的电功率P等于()。