【简答题】 精神疾病,是肌体在内外环境不利因素影响下,导致_______的疾病。
【单选题】The information about the new mathematical theorem seems unreasonable in that ______.
A.
it is given by the time traveler
B.
it is written by the traveler's student
C.
it still needs evidence t prove
D.
it seems that there is no source of the information
【判断题】电动势的正方向规定为从低电位指向高电位 , 所以测量时电压表应正极接电源负极、而电压表负极接电源的正极
【单选题】Thirty dollars (is/are) an unreasonable price for that T-shirt.
【判断题】电动势的正方向规定为从低电位指向高电位,所以测量时电压表应正极接电源负极、而电压表负极接电源的正极
【判断题】电动势的正方向规定为从低电位指向高电位,所以侧量时电压表应正极接电源负极、而电压表负极接电源的正极。