短文综合填空（本大题满分11分，每空1分）
Most people may not think that there are any problems with watermelons, but some Japanese sellers do. There is often wasted s_______when they store watermelons, because round watermelons do not sit nicely on shelves. So some c_______farmers have solved the watermelon problem. They make their watermelons grow in square glass boxes so the watermelons become square. The only problem now is the p_______. The square watermelons cost about 80 dollars each.
Many people know the s_______“Roses are red, violets(紫罗兰) are blue, sugar is sweet and so are you”. Well, today the poem needs to c_______“Roses are red” to “Roses are red, roses are blue”! Australian scientists discovered that when they put a chemical from a blue f_______into a rose, they can create a nearly 100% blue rose. Some of science’s inventions are beautiful, not just u_______!
For many years Chinese scientists have been w_______on developing new kinds of stronger rice and now they have produced a new kind, called super rice. Super rice not only can protect i_______ against insects(昆虫) and diseases(病害), but it also produces more than any other kind of rice. Today farmers can grow almost one and a half times more rice than they could grow in the p_______.
Doctors might be able to use vegetables to fight cancer now. US scientists have discovered a w_______to put a chemical into tomato plants while they are growing. When cancer patients eat the tomatoes, the tomatoes will fight the cancer in their bodies.