【单选题】The underlined word 'it' in Paragraph 5 refers to______.
D.
the decorative wrapping
【简答题】The underlined word 'it' in Paragraph 5 refers to . [A] the food [B] the waxed paper [C]the cardboard box [D] the decorative wrapping
【判断题】Waxed cotton is waterproof and durable.
【判断题】Twenty colors of waxed cotton are available.
【判断题】The waxed cotton is imported from France.
【单选题】读大气对地面的保温作用示意图,回答下列问题。 一般说来,阴天比晴天的气温日较差小,原因是()
A.
阴天云量多,大气对流旺盛,把大部分热量传给大气
D.
阴天云量多,白天削弱了到达地面的太阳辐射,夜间增强了大气逆辐射
【单选题】一般说来,阴天比晴天的日较差小,原因是
A.
阴天云量多,大气对流旺盛,把大部分热量传给大气
D.
阴天云量多,白天削弱了到达地面的太阳辐射,夜间增强了大气逆辐射