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【单选题】
以下哪项不属于IFR的特性?A.
消除了原系统的不足之处
B.
保持了原系统的优点
C.
没有使系统变得更复杂
D.
引入了新的缺陷
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反馈参考答案：
举一反三
【多选题】马克思主义的物质范畴是( )A.标志客观实在的哲学范畴 B.与实际存在的事物和现象无关的抽象概念 C.可感觉到的一种物质实体 D.从各种具体事物中抽象出来的普遍的哲学范畴
A.
选择1
B.
选择2
C.
选择3
D.
选择4
【多选题】2关于个人理想与社会理想的关系,下列说法正确的是( )
A.
个人理想要以社会理想为指引
B.
社会理想是对个人理想的凝练与升华
C.
应该把个人理想融入社会理想之中
D.
当二者发生矛盾时,个人理想应服从社会理想
【简答题】下列哪些情形构成以危险方法危害公共安全罪（ ）。
【单选题】—Where's your dog, Jack? —She _____ for two weeks. How I miss her! [ ]
A.
died
B.
has died
C.
has been dead
D.
was dying
【简答题】马克思主义的物质范畴理论的理论意义是什么
【单选题】Linda feels exhausted because she ______ so many visitors today.
A.
has been having
B.
had been having
C.
was having
D.
had had
【单选题】—Has your sister finished her novel yet?—I have no idea．She________it last week.A．wroteB．has wri
A.
28. —Has your sister finished her novel yet? —I have no idea．She________it last week. A．wrote
B.
has written
C.
was writing
D.
had written
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