阅读理解。
Two farmers were on their way home one evening after a hard day's work. Bothwere tired. They
happened to look up at the sky and saw a black cloud over head.
"Ah!" said one farmer, "Tomorrow we shall have rain and the rice will grow well. "The second
answered, "Nonsense (胡说), the rain will only kill the crops. " So theybegan to quarrel. Just then
a third farmer came along and asked them why they werequarrelling. Both farmers explained about
the black cloud. "What cloud?" asked thethird farmer. They all looked at the sky. The cloud was
no longer there.
1. The two farmers were_____ .
A.going home
B.going to the field.
C.going to work
2.The two farmers_____on that day.
A. had a holiday
B. didn't work
C. worked hard
3.The two farmers fought in words because _____.
A. they were hungry
B. they both hoped for rain
C. one said the rain would do good to the crops and the other didn't
think so.
4.The third farmer came with and said to the other two. He_____
A.wanted to make friends with them
B.joined them in the quarrel
C.wanted to know why they were quarrelling
5.How many farmers said that the rain would be helpful?
A. None.
B. One.
C. Two.
牙龈处有一1cm×2cm大小的白色斑块。厚而高起，表现呈小结节状突起，较硬，白色斑块的右上方有一小溃疡。有触痛。组织病理学检查上皮过度角化，棘层增厚。诊断为（）