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问题 多项选择题

证券交易程序中的开户，包括开立( )。

A．证券账

B．资金账户

C．储蓄账户

D．信用证账户

答案

参考答案：A,B

解析： 开户有两方面，即开立证券账户和开立资金账户。

填空题

短文填空。
     M __1__ friends is a skill like other skills. It improves with practice. If you want to meet people and
  make friends, you must be willing to take some a __2__ .
     You must first go where there are many people. You won’t make friends staying at home. Join a club
 or a party, talking with those who like the s __3__ things as you do. Or join someone in some a __4__ .
It's human nature to feel a bit u __5__ about the unknown. Most of our fears come from doubts about
 __6__ . Don't forget they must be feeling the same way. Try to accept yourself as you are, and try to put
  the other person at ease (自由自在). You'll b __7__ feel comfortable.
     Try to act self-confidently t __8__ you don't feel that way. When you enter a room  f__9__ of
 strangers, walk tall and straight, look directly at them and smile. Meeting someone new doesn't mean that
  you will make friends because friendship is based on mutual liking (基于互相喜欢) and "give and take".
 It takes t __10__ to develop.
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选择题

假如抗倒伏（D）对不抗倒伏（d）为显性，现有两株不稳定遗传的抗倒伏（Dd）小麦杂交，收获的后代中获得稳定遗传的基因组成（DD）的可能性占[ ]

A．25%

B．50%

C．75%

D．100%
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