|
+1 12
+1 20
+1 30
+1 42
+1 56
+1 72
，1 90
=（
-1 3
）+（1 4
-1 4
）+（1 5
-1 5
）+…+（1 6
-1 9
），1 10
=
-1 3
+1 4
-1 4
+1 5
-1 5
+…+1 6
-1 9
，1 10
=
-1 3
，1 10
=
．7 30
| 完形填空。 | |||
| A man and his wife had a small restaurant near a station. The restaurant often stayed open __1__ midnight, because people came to drink and have meals __2__ they were waiting for trains. At two o'clock one morning, a man was still sitting __3__ a table there. He __4__ . The wife of the owner of the restaurant was very sleepy and wanted to go to bed. She looked at the man several times and went. But each time she looked the man was still there sleeping. Then, __5__ him up, __6__ she went to her husband and said to him, "You have woken him six times now, but why haven't you __7__? It's very late. " "Oh, no. I didn't __8__ him away." answered her husband with a smile. "You see, whenever I __9__ , ask for his bill, he pays it and then __10__ again. " | |||
| ( ) 1. A. after ( ) 2. A. while ( ) 3. A. on ( ) 4. A. was sleep ( ) 5. A. waking ( ) 6. A. at first ( ) 7. A. sent him away ( ) 8. A. want send ( ) 9. A. wake and ( ) 10. A. goes sleeping | B. until B. but B. to B. was waken B. wakes B. at last B. sent away him B. want sending B. wake him up B. goes to asleep | C. when C. after C. at C. was working C. to wake C. last time C. to send him away C. want to ask C. to wake him up C. goes to sleep | D. before D. and D. in D. was aslcep D. wake D. in end D. sending him away D. want to send D. waking him up D. goes to sleeping |