11. When we travel abroad, it is necessary for the immigration officers to ______the departure date on our passports.
(A) murder
(B) regret
(C) stamp
(D) waste

7. In comparison with other students, Sherry is more ______ in that she puts in a lot of extra study time after class. (A) ancient (B) chilly (C) diligent (D) occasional

8. James is a man of ______ ； he never does anything that goes against his standard of good behavior. (A) factory (B) principle (C) stomach (D) whisper

9. The professor ______ her points with tables and figures to provide visual aids for better understanding. (A) divorced (B) endangered (C) illustrated (D) trembled

10. Sandy is a pet-lover and good at using different ______ to make her puppy do various tricks. (A) alleys (B) elections (C) freezers (D) gestures

12. According to medical research, most back pain can be relieved through exercise without ______ . (A) catalogue (B) district (C) surgery (D) triumph

13. On the first day of work, Oscar was told to treat all people in the workplace with ______ and respect. (A) barrier (B) courtesy (C) fiction (D) merchant

14. Ski resorts often use ______snow to keep them open through the winter and early spring to extend their ski seasons. (A) artificial (B) brutal (C) explosive (D) fierce

15. We will be more ______ and safer to wear bright-colored clothes when walking on the street at night. (A) elderly (B) gradual (C) organic (D) visible

16. Andy: Professor Lee, could I have a word with you? Professor: Yes, of course. Andy, what’s on your mind?Andy: Would it be all right if I leave class early today? I have a dentist appointment. Professor: Andy, ______Thanks for telling me. (A) you do have a class. (B) that’s not a problem. (C) I’ll be right with you. (D) let me get this straight.

17. Claire: I’m experiencing a culture shock. Francis: Oh, really? I’m appreciating the dance steps native to the local culture. Claire: ______But I’m glad to see how passionate the dancers are in the music. Francis: Guess what? We’re invited to the next slow dance. (A) I’m afraid you have a culture shock. (B) We’re shocked to know our culture. (C) You just came back from a wedding party. (D) They’re different from those I'm familiar with.