问号里应放入哪张图片最为正确（）
A.
B.
C.
D.
参考答案：A
解析：
图形的变化规律为，一个图形逐渐减少，另一个图形成倍增加，因此正确答案为A。
句型转换。
1. Write out the story with the questions. (同义句)
Write out the story _____ the questions.
_____ the questions to write out the story.
2. Baghdad was not an important city anymore. (同义句)
Baghdad was _____ _____ an important city.
3. Ali Baba's wife asked "Who are those men in the jars?"
Ali Baba's wife asked who _____ _____ _____ _____ _____ _____?
4. Ali Baba's wife asked him" Are they your friends?"
Ali Baba's wife asked him _____ _____ _____ _____ friends.
5. Ali said to his wife "Sh, Be quiet!"
Ali _____ his wife _____ _____ _____.
在四冲程柴油机动力装置中，废气锅炉的排气进口温度t1约为400℃大约可利用排气余热的（），而二冲程柴油机动力装置的t1为200—3O0℃，则可利用排气余热的（）左右。
A.62%/30%
B.62%/40%
C.40%/62%
D.30%/62%
