题目内容

阐述2019年20元哪些防伪特征需要迎光透视观察

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伪造2019年20元的防伪纸张主要在哪些位置印刷的

2019年20元主要采用的印刷技术有

动物缺乏( )时,甲状腺肿大,生长发育不良。

A. 铜
B. 碘
C. 锌
D. 钴

Task 2 Choose the best answer according to the passage.1. Which of the statements is NOT true?

A. Bungee is gaining criticism as well as popularity.
B. Many states in America are passing laws making strict safety requirements on bungee jumping business.
C. Bungee jumping is an expensive sport.
D. Bungee jumping doesn’t have any risk to people.

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