11.If you look up to someone, you ________ them.(      )

A. like                                                                B. rebuke   

C. admire                                                            D. disagree

12.“To keep one’s nose to the grindstone” is the same meaning with ________.(      )

A. to continue working hard                                  B. to do something very carefully

C. to look for something small                               D. to feel very tired

13.“Show no surprise or concern about something unusual that happens” is synonymous to ________.(      )

A. cast your eye over                                           B. keep an eye out for

C. turn a blind eye                                                D. not to bat an eyelid

14.“To keep one’s own company” means ________.(      )

A. not mixed with others in a friendly or social way

B. to be independent

C. to be selfish

D. to be egocentric

15.“A Damocles sword” refers to ________.(      )

A. forthcoming danger

B. a beautiful ornament

C. a sword that can bring its owner happiness

D. a sword that can bring its owner disaster