英、美等国政府发行过无期公债或永久性公债。这种公债无固定偿还期，持券者不能要求政府清
题型：判断题
问题：
英、美等国政府发行过无期公债或永久性公债。这种公债无固定偿还期，持券者不能要求政府清偿，只可按期取息。由此可见，债券具有和股票相同的永久性，即不可偿还性。（）
题型：判断题
阅读理解
Tom: Hi, Sally, what do you often do on week-ends?
Sally: I often get up at half past seven, and I often go to the park with my mom at eight thirty.
Tom: When do you do your homework?
Sally: I often do it at one o'clock in the afternoon, and I often go swimming after four o'clock.
Tom: I like swimming, too. Do you like watching TV?
Sally: Yeah. I often watch TV at six o'clock. It's cartoon time.
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