听力原文：M: Have you and your family lived in Chicago for a long time？
W: Oh, yes, but only since 1982. My oldest child was born in Seattle and my second oldest child was born overseas when my husband was teaching English.
Q: What did the woman say about life in Chicago？
(17)
A. Her husband was teaching English there.
B. She was born there.
C. Her children were born there.
D. She has lived there since 1982.
查看答案
All the parts of this washing machine are ______, so that it is very convenient to replace
A. normalized
B. mechanized
C. modernized
D. standardized
A．In 4 or 5 years.B．In one year.C．In 3 or 4 years.D．In 36 weeks.
A. In 4 or 5 years.
B. In one year.
C. In 3 or 4 years.
D. In 36 weeks.
A．besidesB．althoughC．as
A. besides
B. although
C. as
在用例建模过程中，若几个用例执行了同样的功能步骤，此时可以把这些公共步骤提取成独立的用例。这种用例称为(41)。在UML用例图上，将用例之间的这种关系标记为(42)。
A. 扩展用例
B. 抽象用例
C. 公共用例
D. 参与用例
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