通气/血流比值是指（） A．每分肺通气量和每分肺血流量的比值 B．每分肺血流量和肺泡

A boy lost his arms in an accident and his father lost his life . Since then , he had to____the arms of his younger brother. Except for writing with his toes(脚趾头),he could hardly do ____in his life .
As the two brothers grew up together, they had lots of ______ and they often argued(争吵). Then one day , his younger brother ____ him. So he was very sad and didn’t know ____ to do.
A girl lost her hands because of a fire . Though her elder sister wanted to ____ her , she decided to be completely independent(独立的). At school , she always study hard. Once she wrote the following in her composition, “I am____ . Though I lost my hands, I still have legs. Though my wings are broken, my heart can still fly.”
One day, the boy and the girl were both invited____ a television interview program. They both were asked to write something on a piece of paper with their toes. The boy wrote “ My younger brother’s arms are my arms”______the girl wrote “Broken wings(翅膀), ______heart .”

小题1:	A．go on B．work on C．look for D．depend on

小题2:	A．anything B．something C．nothing D．everything

小题3:	A．questions B．hobbies C．problems D．differences

小题4:	A．hit B．left C．loved D．hated

小题5:	A．who B．where C．what D．which

小题6:	A．leave B．take care of C．write D．forget

小题7:	A．sad B．lucky C．excited D．shy

小题8:	A．to B．on C．for D．from

小题9:	A．as B．so C．while D．when

小题10:

A．jumping B．broken C．beating D．flying