搜题请搜索小程序“爱下问搜题”
问题 单项选择题

由期货交易所统一制定的、规定在将来某一特定的时间和地点交割一定数量标的物的标准化合约称为（）。

A.期权合约

B.期货合约

C.交割合约

D.商品期货合约

答案

参考答案：B

解析：期货合约，是指由期货交易所统一制定的、规定在将来某一特定的时间和地点交割一定数量标的物的标准化合约。

听力题

根据短文内容和所给汉语提示，写出空白处各单词的正确形式。

There is an old saying, ‘East or west, home is ____小题1:___（最好）.’ It means that nothing can take the place of family.

In my family, there is always____小题2:____（充满）of happiness. My parents seldom help me to finish my homework, but they ____小题3:____（教） me what I should do. For ____小题4:___ （例如）, they always tell me that happiness is the ____小题5:___（重要） thing in the world. When I ____小题6:____（失败）in my tests, I always think of it, and then I am not ____小题7:____（伤心） at all. Sometimes, they also tell me not to be so careless . I feel sorry to them because I always make them ___小题8:____(担忧).

In a word, every family has its __小题9:___（自己的） happiness, and I __小题10:___（相信） that wherever I go ,my family will be always behind me.
查看答案
问答题

试述手动准同期并列操作程序及注意事项。
查看答案