单项选择题

We can infer from this passage that ______.

A．offensive breath can't easily be cured
B．elderly people are less offended by bad breath
C．heavy drinkers are less affected by bad breath
D．offensive breath is less affected by alcohol

<上一题目录下一题>

热门试题

单项选择题

The phrase emanate from in Paragraph 1 most probably means ______ .

A．thrive on
B．account for
C．originate from
D．descend from

单项选择题

Mouthwashes are not an effective cure for bad breath mainly because ______.

A．they can' t mask the bad odor long enough
B．they can' t get to all the offending bacteria
C．their strong smell mixes with bad breath and makes it worse
D．they can' t cover the thick layers of mucus