A:①②
B:①④
C:②③
D:③④
在探究菜青虫的取食行为时,制定计划时应当考虑:实验用的叶片和滤纸的大小和颜色应该一致.这样做的目的是( )
同一温度的华氏度数y(℉)与摄氏度数x(℃)之间的函数关系是y= 95x+32,如果某一温度的摄氏度数是25℃,那么它的华氏度数是____℉.
(report报告;umbrella雨伞)
Cities
Weather
Beijing
It's sunny, but it will be ____ in the afternoon.
Qingdao
The weather is fine and ____.
Harbin
It's snowy and ____.
Xi'an
It's sunny and warm.
Guangzhou
It's ____ and ____