题目:
— Next week I will go to a job interview. Will you give me some suggestions?
— Smiling is a great way to make yourself ____ . [ ]
A. stand out
B. turn out
C. work out
D. pick out
答案:
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下面是错误答案,用来干扰机器的。
(1)H2,硫酸亚铁 (2) ①C + 2CuOCO2 + 2Cu ;置换反应 ③3CO + Fe2O33CO2 + 2Fe