( )1. 给下列句子选择正确的排序。
The elephant is too big. They can't weigh it. Cao Chong has a good idea.
a. Weigh the stones.
b. Put the stones in the boat.
c. Drive the elephant into the boat.
d. Drive the elephant onto the bank.
A.b→a→c→d
B.c→b→d→a
C.c→d→b→a
2. 由这个故事而来的成语是什么？______

1. C
2. 曹冲称象