—I am afraid this pair of shoes is a little expensive．—If you really want to buy them, I will give you a ____ of 10 percent．

26．Nowadays people have to pass various tests for professional __________ so that they can be qualified for a well-paid job.

Before the final examination,many students have shown      of tension.Some have trouble in sleeping while others have lost their appetite(胃口).

    Eggs, meat, vegetables and other foods can easily be poisoned by microorganisms such as ______.

. --- If you accept this job, you will earn $10,000 a month and be provided with a house and a new car. --- Your ________ is inviting, but I’m not interested in the job.