Which of the following is not mentioned as a sign that your job is doing harm to your health?

Parents should cooperate with teachers and ___ themselves in their children's education.

When the author was a medical student, he______ .

It has been reported that more than one kid ____with the “Bird Flu”.

___ the plan carefully, he rejected it.

People there were _____ young students under the age of thirty.

I am worried about my brother. I am not sure ___ he has arrived at the school or not.

This is the boy ___ has been highly praised.

The word “disgraced”(Para. 3) means “______”.

According to the passage, which of the following statements is NOT true?

It is learned from the passage that ______.

do we suspect that this district is rich in mineral resources.