叶斑病是叶组织受()侵染,形成各种斑点病的总称,可分为()褐斑病、圆斑病等,叶斑上常常生有各种点粒或()。
参考答案:局部、黑斑病、霉层
“+”、“-”、“×”、“÷”填在哪儿?
5○4=20 8○4=4 3○6=18
5○5=0 24○6=4 2○2=4
--What do you think of the football match yesterday?
--Well, it' s surprising. The strongest team of our school ________.
A.was beaten
B.won
C.scored
D.was filled