选择题：When asked to give his opinion on the failure of f

题目内容：
When asked to give his opinion on the failure of file experiment, he pretended ______ it.

A.haven.t heard
B. haven.t heard of
C.not to have heard of
D.not having heard of
参考答案：

信用政策是企业关于应收账款等债权资产的管理或控制方面的原则性规定，包括A.信用标准B.收帐期限C.坏

信用政策是企业关于应收账款等债权资产的管理或控制方面的原则性规定，包括A.信用标准B.收帐期限C.坏帐损失D.收帐费用

分类：河南师范大学-工商管理-大学英语Ⅱ  题型：选择题
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