⑴How many seasons are there in a year?____ A. Four
⑵What about some milk?____ B. She's in the kitchen.
⑶What would you like?____ C. They're on the sofa.
⑷Where are my warm clothes?____ D. Sounds good.
⑸I can't find Mum.____ E. I'd like a hamburger.
贺州市矿产资源丰富,尤其是以锡、钨的储量最丰.如图是锡在元素周期表中的信息,下列有关锡的说法错误的是( )
b×9=____
a×b×8=____
a×b=____