皮皮学，免费搜题
登录
搜题
【单选题】
由滴定终点和计量点不吻合造成的误差属于A.
偶然误差
B.
仪器误差
C.
操作误差
D.
方法误差
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】The use of fossil fuels was the highest in the 1940s.
【单选题】The of fossil fuels, with its by-product of waste gases, has been the subject of a number of treaties and acts of international institutions.
A.
production
B.
incin eration
C.
objection
D.
subjection
【简答题】What are the problems of fossil fuels?A. They are limited. B. They cause health and enviornmental problems. C. They are hard to exploit. D. Both A and B.
【单选题】The burning of fossil fuels results in the pollution of the______.
A.
steam
B.
gas
C.
vapor
D.
atmosphere
【简答题】Global warming results from the burning of fossil fuels , such as petroleum products, resulting in the release of greenhouse gases into the atmosphere.
【判断题】The use of fossil fuels threatens the health of human beings and the environment.
A.
正确
B.
错误
【单选题】To compensate for the substantial decline in the availability of fossil fuels in future years, we will have to provide at least an ______ alternative energy source.
A.
anticipated
B.
official
C.
equivalent
D.
emotional
相关题目：
参考解析：
知识点：
题目纠错 0
发布
