A:0,1
B:(0,1
C:0,1)
D:(﹣∞,1
Found
A black dog is near(在附近)my school.
Call Amy at 302-3605.
Is this your wallet?
I found it in the school library.
Please call Jack Miller at 605—9883.
Lost
I can't find my brown watch.
My telephone number is 506-7992.
Thanks.
Warren Jones
钢铁在水中是沉的,我们可以改变它的____来让它浮在水面上。
1,3,7,15,31,____,____.
请观察蝗虫的外部形态图,回答问题.(注意:内填数字, 蝗虫 上填名称)