问题
填空题
做一节底面直径为20厘米，长90厘米的烟筒，至少需要______平方分米铁片．
答案
1平方分米=100平方厘米，
3.14×20×90，
=62.8×90，
=5652（平方厘米），
5652平方厘米=56.52平方分米；
答：至少需要56.52平方分米铁皮．
故答案为：56.52．
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做一节底面直径为20厘米，长90厘米的烟筒，至少需要______平方分米铁片．
1平方分米=100平方厘米，
3.14×20×90，
=62.8×90，
=5652（平方厘米），
5652平方厘米=56.52平方分米；
答：至少需要56.52平方分米铁皮．
故答案为：56.52．
| 阅读理解 | |
| |
| 1. The reading above is in fact ________. | |
| A. an advertisement B. a report C. a notice D. an invitation | |
| 2. When you are accepted, you'll work for ________. | |
| A. a radio station B. a TV station C. a newspaper office D. a magazine | |
| 3. You may get the position if ________. | |
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| 4. How can you get in touch with travelogue? | |
| A. By chatting online. B. By posting letters. C. By sending emails. D. By making phone calls. | |
| 5. If you are interested in the job, you must send your CV before ________. | |
| A. May 2 B. May 13 C. May 18 D. May 21 |