A. It's a naughty bird.
B. She is a cute girl.
C. The boy is very clever.
D. It's a cute elephant.
E. The teacher is very nice.
先看图写出分数,再分一分,把图中阴影部分化成分母相同的分数。
____=____ ____=____
今年3月,我国彩电能效标准正式实施.新颁布的彩电能效标准明确规定彩电待机功率不得超过9W,预计在该标准实施后的10年,全国可累计节电3.772×108kW•h.在使用彩电过程中,就如何降低彩电电能消耗,请你提出两条合理化建议.
(1) ____;
(2) ____
长城站位于北极点的( )