用竖式计算下列各题，并验算后两题．
355×4=
507×8=
306×9=
38÷8=
55÷7=
73÷9=
864-328=
600-384=
验算：
382+859=
验算：
355×4=1420，
507×8=4056，
306×9=2754，
38÷8=4…6，
55÷7=7…6，
73÷9=8…1，
864-328=536，
600-384=216，
验算：
382+859=1241，
验算：
．
| 选词填空。 | |
2. I _____ the story as soon as you tell me. 3. There has been _____ car accidents at the crossing. 4. I'm sorry I have knocked off your book,but I didn't do it _____. 5. When I stood _____ with Yang Liwei,I couldn't help respecting this national hero. 6. You seem to _____ depression. What's the problem? |