下列各句中没有语病的一项是（  ）

严重干旱可能造成作物颗粒无收，从光合作用的角度来看，这表明光合作用的重要原料是（   ）。

Write a review of the following story in about 90 words．The review has to include  the following points：

1）．The name of your review．

2）．The idea（s） of your review．

3）．The reason（s）  for your idea（s）..，

4）．Something you decide after you consider all  the information in the story．

    "Cock﹣a﹣doodle﹣doo!"cried the cock（公鸡）．Hestood in the farm﹣yard and cried aloud，so that all people might hear him．"Cock﹣a﹣doodle﹣doo!How useful I an，for I always get uo first．And I cry aloud as siin as the sun rises to make all people in the house awake．"

    "Cluck!Cluck!Cluck!*cried the ben from the yard．She was walking about with three pretty little chickens，and trying to  find some  food for them．"Cluck!Cluck!Cluck!I'm more useful than you．Almost every day I ay a nice fresh gee for mu master's （男主人）breakfast．Then think how useful I am to my mistress（女主人）．Howmany nice things does she make with my eggs for the children？She could not get on well without eggs．"

“学习语文要下功夫”，与这句话意思不一样的一项是（    ）。