下列关于承兑的表述中，正确的是（）。 A.汇票、本票和支票都有

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问题单项选择题

下列关于承兑的表述中，正确的是（）。

A.汇票、本票和支票都有承兑

B.商业承兑汇票只能由付款人签发并承兑

C.商业承兑汇票只能由收款人签发交由付款人承兑

D.承兑是指汇票付款人承诺在汇票到期日支付汇票金额的票据行为

答案

参考答案：D

填空题

缺词填空。

School education(教育) is very important and useful. Yet no one can l 1 everything at school

and a teacher can’t teach his students e 2 they want to know. His job is to s 3 his students how

to learn. He teaches them how to read and how to think. So the students can learn much more by t 4 .

It is more i 5 to know how to study by oneself. It’s quite easy to learn something, but it’s difficult

to u 6 it to solve problems. Great inventors do not get everything from school, but they still can invent many things and change the world a l 7 .

How can the inventors do all of this? That’s b 8 they know how to study. A lot of things are not

taught in the classroom. They get a lot of knowledge by reading o 9 school. They work hard and

never g 10 up all their lives.

选择题

下列试剂可用带玻璃塞的玻璃试剂瓶保存的是[ ]

A．氢氟酸

B．硫酸

C．碳酸钠溶液

D．氢氧化钠溶液