4．From his sad face we can judge he has experienced a________ (悲惨)life.

3．We a_________ famous women like Madame Curie.

2．In winter in Northern Canada, people have to s_________ with the stormy weather.

1．A journey to the North Pole is really a _________(挑战).

10.　 The girl was so angry that she _______(撕) the letter into pieces.

Unit17　 Word spelling　　　 Class_______Name_______

9.　　 The boss has c________ 100 dollars for this beautiful coat.

8.　　 Mary speaks good English, but she has an a____　　　 　because her mother is English.

7.　　 If you drive a car, you must f_________ your safety belt.

6. After many experiments, Galileo drew a c__________ that light things drop onto the ground at the same time as heavy things if no air holds them back.

5.　　 The __________(震惊) news came that on March 11 over 200 people were killed in Spain.