A serious study of physics is impossible________some knowledge of mathematics.
(2013·大纲全国，31)
| A．against | B．before |
| C．beyond | D．without |
— I'd rather have some wine， if you don't mind.
— ____.
| A．No， you'd better not | B．Not at all， anything you want |
| C．Thank you all the same | D．Yes， but not good |
— Hello， may I have an appointment with the doctor?
— ____
| A．Sorry， he is busy at the moment. | B．Why didn't you call earlier? |
| C．Certainly. May I know your name? | D．Sorry， he doesn't want to see you. |
— I'm afraid I can't finish the book this week.
— ____.
| A．Please go ahead | B．That's right |
| C．Not at all | D．Take your time |
— How's everything going?
— ____.
| A．Everything is finished | B．Everything has been done |
| C．Not so bad， you know | D．Not doing wrong， you know |
— You keep on coughing. What's the matter?
— Oh， I've got a cold. Nothing serious， ____.
| A．yet | B．indeed | C．though | D．anyway |