我有些改错题很迷惑呀

1.(In spite) modern medical technology, (many) diseases caused (by viruses) are still (not) curable.

2.(Before) the nineteenth century, (it) was (rarely) to find organized (systems) of adult education.

3.(How) the Earth is (in the shadow)of (the) moon, we see (an) eclipse of the sun.

4.All data (in computer) are changed (into) electronic pulses (by) an input (unit.)

5.(When) children get their first (pair) of glasses, they are often (surprise) to see that trees and flowers (have) sharp clear outlines.

6.(Until) recently, photocopy machines (were regarded) (strict as) business and professional office equipment (that required) a lot of expensive servicing.

7.The disposable camera, a single-use camera (preloaded with) print film, (has appeared) in the late 1980s and (is still) popular today.

8.In (the early) days (of flying), pilots sometimes wear leather helmets, goggles and (necku )scarves.

9.Olive oil can range (in color) from deep green to (buttery) yellow (depend) on (the age of) the olives at harvest time.

10.(Each year) the Academy of Motion Picture Arts and Sciences (hosts) its (spectacular) academy awards (presentments.)