【单选题】假定甲商品和乙商品是互为替代品,甲商品和丙商品是互补商品。如果市场上甲商品的价格大幅度下降,那么,在其他条件不变的情况下( ) 1乙商品的需求量减少 2乙商品的需求量增加 3丙商品的需求量减少 4丙商品的需求量增加
【判断题】If you have a fever when you are ill, your body temperature is higher than usual.
【单选题】Please___ your temperature and tell me if you have a fever.
【判断题】If you have a fever and cough, you must get NCP.
【判断题】If you have a fever, that means you are certainly infected with COVID-19.
【简答题】To find out if you have a fever caused by illness, wait until you ___________ for an hour or so before using a thermometer.
【单选题】2018年某商品价格用人民币表示为3 810元,以1∶6.35的人民币对美元的汇率出口到美国市场。如果2018年生产该商品的行业劳动生产率提高25%,且人民币对美元升值10%,那么,在其他条件不变的情况下,该商品以________的价格出口到美国市场。( ) A.495美元 B.660美元 C.480美元 D.528美元
【单选题】If you have a fever, you should____
【判断题】Stay home if you have a fever cough and difficulty breathing.
【单选题】You should if you have a fever. [ ]