It is proved that the Sun is divided into five layers.
A. Right
B. Wrong
C. Not mentioned
查看答案
The Sun's atmosphere only exists in the first three zones.
A. Right
B. Wrong
C. Not mentioned
商业折扣是为了鼓励客户尽早付款而给予的优惠。 ()
A. 正确
B. 错误
态度和品德的实质是相同的。()
A. 正确
B. 错误
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