仔细读课文《自己试一试》,回答
同学们对科学家提出的问题是怎么回答的?
一个同学说:“因为金鱼的肚子很大,它把水喝到自己肚子里去了。”
另一个同学说:“金鱼身上有很多鳞片,它张开鳞片,把水夹在鳞片里面了。”
选择句子的翻译。
①请问、去超市怎么走?____ A. Nice to meet you.
②一直向前走,然后向右转____ B. Go straight on, then turn right.
③小明在学校附近。____ C.Excuse me. Where is the supermarket?
④见到你真高兴。____ D. Xiaoming is near the school.
I play football badly ____(and/but)I play basketball well.
已知1+2×3+3×32+4×33+…+n×3n-1=3n(na-b)+c对一切n∈N+都成立,则a、b、c的值为( )
The jacket is eighty yuan.