1,is the ice cream heating spoon
2,it is used to do what?
3,is used for heating ice cream
4,it is by the who invented?
5,is by the Chelsea invention
Six,it when was invented?
7 last year,is discovered
8,what are these
9,they are battery control slippers
10,what are they used for?
11,is used in the darkness lighting
12,who were they invented by?
13,is by Julie invention
14,they are when discovered?
15,is 1980 invention
16.The most useful invention
17,the most annoying inventions
18,by mistake
19 and makes customers happy
20,a man named George cook
21,...Isaac to...on
22,by chance,accidentally
23,according to...
24,according to an ancient legend
25,more than,redundant
26,boil water
27,...Into...
28 and produces a pleasing aroma
29,such,use this method
30,travel around China
哦也