下列反应中，属于复分解反应的是（ ） A．H2CO3=H2O+CO2↑ B．Zn

One day a mother rat and her babies were out in an open field. They were enjoying______ games when suddenly a hungry cat came up to them! She hid________ a big tree and then crawled(爬) torward through the tall grass until she could almost hear them talk. After the mother rat and her babies knew________ , the cat jumped from her hiding-place and started to run after them.
The mother rat and her babies began to run away, they hurried towards their_______ , which was under a pole of large stones. But the baby rats were so_______ that they could not run very_______ . The cat came_____ . In no time the cat would be upon them. What was to be done?
The mother rat stopped running, turned round and faced the cat, shouting "Bow! Wow! Bowwow!" just like an angry dog. The cat was______ surprised and scared that she ran away. The mother rat turned to her babies, "Now you see how important it is to learn ______ a second language!"
Just then she heard a shout "Miao! Miao!" just like the cat ran away just now.
"Oh, the cat's come back. We must escape（逃脱） right now." The mother rat called out to her children. "Haha! It's only a ______ "said one of her children. "I have learned a second language."

小题1:	A．to play B．playing C．played D．to playing

小题2:	A．on B．in front of C．behind D．under

小题3:	A．what happened B．what did happen C．that happened what D．that what had happened

小题4:	A．home B．tree C．mother D．host

小题5:	A．happy B．tired C．frightened D．hungry

小题6:	A．quickly B．slowly C．far D．long

小题7:	A．close and close B．closer and close C．closer and closer D．close and closer

小题8:	A．so B．such C．too D．enough

小题9:	A．the B．/ C．a D．an

小题10:

A．joke B．rat C．cat D．dog