由于光照时间长短不同,会出现明显的温度差异。读某中纬度内陆地区等值线图,回答下列各题。关于甲、乙、丙、丁四地的叙述不可能的是 ( )
若a为12°C等温线,则乙地气温的数值可能是 ( )
____the sketch of Xiao Shenyang made a _____has been known to us all.
That Xiao Shenyang was elected_____model worker of May Day caused ____enthusiastic discussion in China.
----What do you know the _____ of are the pig influenza in humans? ---- usually similar to regular human seasonal influenza .
People go out with masks,________.
The dead rate is _____ pigs and recovery usually ______ within 7-10 days. A low in; occursB.rich in;happens C.high in; came aboutD.poor in;took place