第13题: [单项选择]Because fuel supplies are finite and many people are wasteful, we will have to install_______ solar heating device in our home. A. some type of B. some types of a C. some type of a D. some types of 参考答案:A 答案解析:本题译文:由于燃料供应有限以及人们的浪费,我们将来不得不在家里安装某种太阳能供暖设施了。本题考查固定搭配。在sort of,kind of和type of后面,冠词a/an通常省略。另外,some在这