十一、阅读短文，完成下列各题。（22分）
Cao Chong weighs the elephant
One day, somebody gives Cao Cao an elephant. Cao Cao wants to know its weight（重量）. But they can’t weigh the elephant. Cao Chong tells his father he can weigh it. His father is very surprised（惊讶的）. First, they let the elephant go into a boat and the water comes up. Next, Cao Chong marks（标记）the water line. Then, the elephant comes back to the bank, and people put heavy stones in the boat to let the water come up to the water line. At last, Cao Chong weighs all of the stones. In this way, he weighs the elephant. All the people say to Cao Chong “Clever boy!”.
（一）按故事情节排序。（8分）
Howbig!]
1. ________ 2. ________ 3. ________ 4. ________
（二）根据短文内容，判断正（T）误（F）。（10分）
（ ）1. Cao Chong is Cao Cao’s son.
（ ）2. Cao Cao marks the water line to weigh the elephant.
（ ）3. The stones in the boat weigh as much as the elephant.
（ ）4. Cao Chong asks his father for help.
（ ）5. Cao Chong is very smart.
（三）根据短文内容，选择正确的答案。（4分）
（ ）1. Which is not used to weigh the elephant?
A. The boat is not used to weigh the elephant.
B. The stones are not used to weigh the elephant.
C. Cao Cao is not used to weigh the elephant.
（ ）2. What do you think of Cao Chong’s idea?
A. It can’t weigh the elephant.
B. It’s a good idea.
C. It will hurt the elephant.

(一)1~4 D B C A
顺序应是先看大象，然后把大象放到船上，在水位线做好标记，然后放上等量的石头，最后称出石头的重量。
(二)1~5 T F T F T
1. 由句子“Cao Chong tells his father he can weigh it.”可知Cao Chong是Cao Cao的儿子。
2. 由句子“Cao Chong marks the water line.”可知答案。
3. 石头和大象都到达同一水平线，因此重量相同。
4. 整个过程Cao Chong都没有向他的父亲寻求帮助。
5. 由句子“All the people say to Cao Chong ‘Clever boy!’”可知答案。
(三)1~2 C B
1. 船用来记水位线，石头用来代替大象，两者都发挥了作用。
2. 在不伤害大象的前提下，利用水的浮力称重，是个不错的方法。