公平的竞争是基于一定的规则进行的,道德和法律是我们在竞争中必须遵守的基本准则。下

题型:选择题

问题:

公平的竞争是基于一定的规则进行的,道德和法律是我们在竞争中必须遵守的基本准则。下列值得倡导的竞争行为是

A.评选优秀班干部时,小虎为帮助好朋友当选而诽谤他人

B.篮球比赛时,对方球员不慎摔倒,我方球员小杰将他扶起来

C.考试前夕,小红将竞争对手小宇的复习资料藏匿起来

D.校运会100米决赛中,小明干扰对手使自己率先到达终点

考点:合作与竞争
题型:选择题
如图,已知△ABC中,AB=AC,AB的垂直平分线DE交AC于D,垂足为E,若AB=5cm,△BCD的周长为8cm,那么BC的长是(  )cm.
A.3B.4C.5D.2
题型:选择题

成人颞下颌关节紊乱病正畸治疗的方法是()

A.正畸治疗应尽量应用容易清洁的矫治器,如弹性牵引

B.正畸治疗应尽量应用容易清洁的矫治器,如前牙平面导板

C.正畸治疗强调对称拔牙

D.成人颞下颌关节病应通过矫形治疗调整下颌的生长及髁突的位置

E.成人颞下颌关节病应选用简单的矫治装置,矫正引起TMD的错

题型:选择题

Recently, one of my best friends, whom I’ve shared just about everything with since the first day of kindergarten, spent the weekend with me.Since I moved to a new town several years ago, we’ve both always looked forward to the few times a year when we can see each other.

Over the weekend, we spent hours and hours, staying up late into the night, talking about the people she was hanging around with.She started telling me stories about her new boyfriend, about how he experimented with drugs and was into other self-destructive behavior.I was blown away! She told me how she had been lying to her parents about where she was going and even stealing out to see this guy because they didn’t want her around him.No matter how hard I tried to tell her that she deserved better, she didn’t believe me.Her self-respect seemed to have disappeared.

I tried to convince her that she was ruining her future and heading for big trouble.I felt like I was getting nowhere.I just couldn’t believe that she really thought it was acceptable to hang with a bunch of losers, especially her boyfriend.

By the time she left, I was really worried about her and exhausted by the experience.It had been so frustrating, I had come close to telling her several times during the weekend that maybe we had just grown too far apart to continue our friendship,but I didn’t.I put the power of friendship to the final test.We’d been friends for far too long.I had to hope that she valued me enough to know that I was trying to save her from hurting herself.I wanted to believe that our friendship could conquer anything.

A few days later, she called to say that she had thought long and hard about our conversation, and then she told me that she had broken up with her boyfriend.I just listened on the other end of the phone with tears of joy running down my face.It was one of the truly rewarding moments in my life.Never had I been so proud of a friend.

小题1:In the writer’s opinion, her friend ________.

A.was a girl with no self-respect

B.could find a better boyfriend

C.was brave enough to stick to her own choice

D.didn’t value the writer’s suggestion小题2:What did the writer worry about?

A.She would lose the friendship with her.

B.Her friend’s parents would be worried about their daughter.

C.Her friend would get into great trouble with the boy.

D.Her friend’s boyfriend would be in great trouble.小题3:We may leam from Paragraph 3 that the writer ________.

A.didn’t want to go anywhere else

B.hated her friend’s hanging with her boyfriend

C.couldn’t believe that her friend’s choice was acceptable

D.doubted that she could in any way help her friend小题4:What can be concluded from the passage?

A.Friendship starting from childhood is not reliable.

B.Friendship is a cure for any injury in life.

C.Friendship should be everlasting once begun.

D.Friendship can have magical power in life.

题型:选择题

血浆代用品可引起过敏反应,但引起心博停止者多见于()

A.右旋糖酐

B.明胶制剂

C.血浆蛋白

D.羟乙基淀粉

E.改进液体明胶

题型:选择题

冷却水系统中的藻类主要有()藻、()藻、()藻。

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