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【多选题】
What are the advantages of having a credit card?A.
The customer can buy what he wants when he wants it. There is no need to save up money in advance.
B.
Credit cards can be used when something expected happens. This is important when you don’t have any ID with you.
C.
Credit cards can be used when something unexpected happens. This is important when you don’t have any cash with you.
D.
Having a credit card protects the owner. The owner doesn’t have to worry about losing the card.
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反馈参考答案：
举一反三
【简答题】劳动法律法规的基本特点是（ ）。
【单选题】蒸腾比率指( )
A.
一定时间内,在单位叶面积上所蒸腾的水量
B.
一定时间内,在单位叶面积上所蒸腾的水量与吸水量的比值
C.
植物制造 1g 干物质所消耗水分的千克数
D.
植物蒸腾失水量与光合作用同化CO 2 的物质的量的比值
【简答题】蒸腾效率( 或蒸腾比率 )
【简答题】已知玉米的蒸腾系数为346，其蒸腾比率是多少?
参考解析：
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