李明的所有课外作业都得了优，如果他的学期论文也得优，即使不做_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

李明的所有课外作业都得了优，如果他的学期论文也得优，即使不做课堂报告，他也能通过考试。不幸的是，他的学期论文没有得优，所以，他要想通过考试，就不得不做课堂报告了。上面论证中的推理是有缺陷的，因为该论证

A．忽视了这种可能性：李明的学期论文必须得优，否则他就要做课堂报告。

B．依赖未确证的假设：如果李明的学期论文得不到优，他不做课堂报告就通不过考试。

C．忽略了这种可能性：如果李明不得不做课堂报告，那么他的学期论文就没有得到优。

D．没有考虑到这种可能性：有的学生学期论文得了优，却没有通过考试。

答案

参考答案：B

完形填空

Everyone needs friends. There is an old saying: Friends are God's way of taking care of us. But       do you find real friendship and keep it?"
The Care and Keeping of Friends       American author Sally Seamans tells young students some smart ways to find friends.
Sally says finding friendship is just like     a tree. You plant the seed and take care of it to make it grow.
First, you should         a friend. What         a good friend? It is not       a person has money or good looks. A good friend should be          and patient. For example, if you have a bad day, a good friend should        your complaints (抱怨) and do their        to help. To make a friend, you cannot be too shy. You should make each other happy and        your lives.
But things cannot always be     . Even the best friends have fights. What should you do when you have a      with your friend? You have to talk to them. When there is no one around, have an honest talk.
If he or she doesn't want to      , you could write a letter.
Sally says there are three steps to being        again: Tell him or her how you are ___  ; say what your friend has done wrong, and        why you did this or that. The book also has        on some small but        things like celebrating your friends' success.       you haven't had a real friend before, you will start to think of having one if you        this book. because the book tells that friendship is the most important thing in your life.

B．Communicate

B．get away from

A．Even though

单项选择题

以下不属于即时通讯工具的基本功能的是（）。

A.语音聊天

B.拔打电话

C.邮件辅助

D.咨询服务