A.13. | B.26. | C.46. | D.59. |
A.凉茶 | B.美味 | C.冰柜 | D.棒冰 |
A.Because he wanted to use it in a test. |
B.Because he wanted to make his father’s job easier. |
C.Because he wanted to sell it for money. |
D.Because he wanted to know how much money he should give to sellers. |
A.Because people thought it could make them lose jobs. |
B.Because they thought it was useless. |
C.Because it cost a lot. |
D.Because there was no programming language then. |
A.several useful inventions |
B.several inventions by kids |
C.how to make history |
D.how to become a successful inventor |