问题
选择题
若点P（a，b）在第三象限，则点Q（a﹣1，2b﹣3）在 [ ]
A．第一象限
B．第二象限
C．第三象限
D．第四象限
答案
答案：C
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若点P（a，b）在第三象限，则点Q（a﹣1，2b﹣3）在 [ ]
A．第一象限
B．第二象限
C．第三象限
D．第四象限
答案：C
| 根据对话内容。从对话后面的选项中选择五个正确的句子，完成下列对话。 | |
Bob: It's about 7:30. Tom: What? It's 7:30 now. I must get up. I'm late. Bob: Oh,Tom, wait. Just sit down and have, breakfast. Tom: 2. There's no time, you know. I'm late. Bob: 3. Tom: For school. You see. Classes begin at 8:00. Bob: Well don't worry. What day is it today? Please tell me. Tom: It 4. (Tom laughs.) Bob: Oh, 5. So just sit down and have breakfast with me. (Bob laughs, too.) |