单项选择题

The author' s tone is ______.

A．objective
B．sarcastic
C．negative
D．skeptical
<上一题 目录 下一题>
热门 试题

单项选择题
The purpose of this passage is to discuss ______.
A．the beneficial use of microwaves
B．the harmful effects of microwaves
C．the modern methods of cooking
D．the use and possible harmful effects of microwaves
单项选择题
Microwaves are ______.
A．absolutely safe at low levels
B．very efficient for cooking
C．cancer-causing iii people with weak eyes
D．completely understood by scientists
相关试题