查找每个学生的学号、姓名、选修的课程名和成绩,将使用关系( )。A.只有SC,C

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问题:

查找每个学生的学号、姓名、选修的课程名和成绩,将使用关系( )。

A.只有SC,C

B.只有S,SC

C.只有S,C

D.S,SC,C

考点:计算机等级考试数据库技术三级数据库技术笔试
题型:单项选择题

阅读理解。

    It's good to share your feelings with others. No matter whether your feelings are good or not, it can

also help you to get closer to people who you care about and who care about you.

    But how to share your feelings? First, you should focus (定焦点) on your feelings. You can't tell your

friends what's inside your backpack if you don't know what's in it yourself. Feelings are the same way.

Before you share them with someone, you should know what feelings you have. You can make a list of

feelings in your head or by writing it out on a piece of paper or even by drawing pictures. What bothers

(烦扰) you? Does it make you sad or angry? Do you feel this emotion (情感) only once or many times?

When you do this, it might help you to remember something that happend and think about how it makes

you feel. Then you can say "I feel sad that my friend won't play with me." or "I feel angry with my

classmates..."

    Do you know why you should talk about your feelings? If you always keep your feelings inside,

especially sadness, nervousness or anxiety (焦虑), it can even make you feel sick. But if you talk with

someone who cares about you, like your mom and dad, you'll feel much better. Your parents want to

know what's hapening in your life because they love you.  But if you don't want to talk with them, please

talk with your friends. They will help you.

根据短文内容,判断正(T)误(F)。

( )1. Don't share your feelings with others.

(     )2. Before you share your feelings with others, you should focus on your feelings.

(     )3. You can draw pictures about your feelings.

( )4. If you always keep your feelings inside, you may feel sick.

(     )5. You can only share your feelings with your parents.

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化简x3(2x3)2÷(x4)2             

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用糖皮质激素治疗重症哮喘的机制,下列哪项不正确()

A.抑制M胆碱能受体

B.促进β受体数量

C.减少组胺形成

D.抑制炎症反应

E.降低气道反应性

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如果全程钡餐检查发现钡剂跳跃征,最可能的诊断是

A.升结肠癌
B.溃疡型结肠炎
C.增生型肠结核
D.慢性阑尾炎
E.阿米巴肉芽肿

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