69. The passage would probably be most helpful to ___________ .

A. those who draw maps　　　　　 　B. those who get lost

C. those who make compasses　　　 D. those who do experiments

68. To find the direction, we ought to be patient probably because ____________.　　　　　

A. it is not easy to find a proper stick 　B. it is not easy to position the stick

C. it takes hours to make the marks 　D. it takes about half an hour to make the marks

9. A. means　 　 B. ends　 　　 C. begins　 　 D. proves

8. A. perform　 B. write　 　　 C. hear　 　　　 D. question

7. A. trouble　 　 B. gift　 　　　 C. fact　 　　 D. trick

6. A. argument　 　　　 B. skill　 　　 C. interest　 D. anxiety

5. A. talked about　 　　　 B. cared about　 C. wrote about　 　　　 D. heard about

4. A. surprised　 B. annoyed　 　　　 C. disappointed　 　　　 D. worried

3. A. hope　 　　　 B. promise　 　　 C. suggestion　 　 D. belief