1. What makes the space shuttle _____ is that it takes off like a rocket but lands like an airplane.

　　A. exceptional B. strange C. unique D. rare

　　2. People cannot but feel _____, for they simply cannot understand how he could have made such a stupid mistake.

　　A. puzzled B. delighted C. induced D. inspired

　　3. When a space shuttle has accomplished its _____, it can be ready for another trip in about two weeks.

　　A. venture B. mission C. commission D. responsibility

　　4. He's the kind of man who is fond of _____ compliments to other men's wives.

　　A. paying B. saying C. expressing D. showing

　　5. Radar enables the pilot of an airliner to take off, fly and land in _____.

　　A. danger B. comfort C. continuity D. safety