We high school students do have some growing pains,____ we can get rid of them correctly and wisely. First, some of us are upset ____ their body styles and looks. It's unnecessary and it's not important at all. We needn't care about it. It is one's inner beauty____ matters. Second, we sometimes seem to be misunderstood by our teachers, parents and classmates.____ (face) with this, we can find ____ proper time to have a heart-to-heart talk with them, trying to remove the____(understand). Some of us have fewer in ends. I think being open-minded and friendly____ (do) you good. Third, we may fall behind others,____ makes us stressed. Actually we can encourage ____ to work efficiently, full of determination. Lastly, some of us don't have much pocket money, so they feel unhappy. Isn't it strange? So long as we have some, that's enough. And we can learn ____to spend money.

有评论家认为，莫言的作品用满怀的红色意象托举着伟大的民族精神。《透明的红萝卜》、《红高粱》等作品中的“红色”深深地牵引着每个中国读者的心灵。红色意象的核心是（  ）

如图所示在三角形△ABC中AB=AC，AD是△ABC的角平分线，DE⊥AB，DF⊥AC，垂足分别为E、 F，则下列四个结论中，①AB上有一点与AC上一点到D的距离相等；②AD上任意一点到AB、AC的距离相 等；③∠BDE=∠CDF；④BD=CD，AD⊥BC．其中正确的个数是（   ）

食用新鲜的蔬菜和水果能预防坏血病，是因为蔬菜和水果中含有大量的（   ）