单选题：The heat that is produced by burning garbage can be used to

题目内容：

The heat that is produced by burning garbage can be used to________ A．make electricity
B．make energy source
C．boil water
D．save coal

参考答案：

答案解析：

The author tends to think that the fifth level________

The author tends to think that the fifth level________A．would be little better

分类：英语题型：单选题

回答题Human needs seem endless．They might be regarded as making up several levels

分类：英语题型：单选题

物业管理投标程序包括：①准备投标文件，②项目评估与风险防范，③评标，④接受招标方的资格审查，⑤获取招标信息，⑥签约并执行合同，⑦收到中标通知书等主要步骤。这几个

分类：英语题型：单选题

分类：英语题型：单选题

分类：英语题型：单选题