题目

金合欢是一种常见的围篱植物，当其枝叶被牛羊大量采食后，新生长的枝条带有更多的刺。植物的刺对捕食动物传递了(    ) A．物理信息      B．化学信息      C．行为信息      D．营养信息 答案：A It is said that no languages but German ________ allowed to be taught in these schools．but it is not the teachers but the government that ________ to blame for that． [　　] A．are; are B．is; is C．is; are D．are; is