【正文】
e highest temperature is only two degrees ______ zero. ( ) earned the Nobel for literature. C. Prize D. Price ( )4. — What do you know about the scientist Qian Xuesen? — He’s a great in the field of modern science. ( )5. — In the past, people’s living conditions were very hard. — Yes, but now the conditions are better, and more and more people have______cars. ’ ( )6.— Must