单词辨音。找出划线部分不同读音的单词。

(      ) 1. A. jacket

             B. have

             C. camera

             D. plane

(      ) 2. A. evening

             B. she

             C. these

             D. seven

(      ) 3. A. nine

             B. library

             C. behind

            D. dinner

(      ) 4. A. orange

             B. open

             C. those

             D. close

(      ) 5. A. ruler

              B. number

              C. under

              D. hundred

(      ) 6. A. ear

             B. dear

             C. wear

             D. here

(      ) 7. A. think

             B. friend

             C. uncle

             D. English

(      ) 8. A. maps

             B. birds

             C. cards

             D. rubbers

(      ) 9. A. school

             B. children

             C. watch

             D. chair

(      ) 10. A. know

               B. flower

               C. yellow

               D. window

社会医疗保险和商业医疗保险的相同点表现在（）

A.保险的目的

B.经营的机构

C.经营的目的

D.投保的原则

E.经营的方式