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【多选题】
2000日元纸币正面右上角的面额数字是采用光变油墨印刷,垂直观察为____,倾斜一定角度则变为____。A.
红色
B.
绿色
C.
黄色
D.
紫色
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Part A Directions: You will hear a talk. As you listen, answer Questions 1-10 by circling TRUE or FALSE. You will hear the talk ONLY ONCE. You now have 1 minute to read Questions 1-10. 听力原文： Good morn...
A.
Right
B.
Wrong
【单选题】Part A Directions: You will hear a talk. As you listen, answer Questions 1-10 by circling TRUE or FALSE. You will hear the talk ONLY ONCE. You now have 1 minute to read Questions 1-10. 听力原文： Good morn...
A.
True
B.
Fasle
【单选题】常规慢性毒性试验最主要的目的是
A.
通过明确毒效应及其剂量反应关系获得NOALE和LOAEL
B.
探讨剂量反应关系,确定机体发生损害效应的强度变化
C.
预测有无潜在性危害,找出敏感标志物
D.
为其它试验剂量设计提供数据,并推断其半数致死剂量。
【单选题】听力原文：Do you think it is possible for anyone to make a living out of simply writing books? (A) I suppose it depends on what sort of books you're writing. (B) I met a woman the other day who writes chil...
A.
B.
C.
【简答题】3 What sort of books are prohibited for a young man?
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