植物组织培养技术的理论基础之一是() A.植物细胞的完整性 B.植物细胞的多样性 C

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问题:

植物组织培养技术的理论基础之一是()

A.植物细胞的完整性

B.植物细胞的多样性

C.植物细胞的全能性

D.植物细胞杂交

考点:高中生物克隆技术克隆技术题库
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混凝土超声探伤的基本原理与金属探伤原理相同。( )

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Her name is Kim Hand. Her first name is _____.    [ ]

A. Hand                        

B. Kim Hand     

C. Kim                         

D. Hand Kim

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施工设备质量管理主要包括施工现场()。

A.制作质量

B.技术性能参数

C.计量精度

D.安全可靠性

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It’s very easy to see why people have bad attitudes. A quick look at the news revealing _21___ with crime, war and corruption (腐败) can easily bring us down. Is it possible to _22__ a healthy, happy attitude when surrounded by these negative things?

Sure it is! It is possible to wake up each morning with a good mood and _23__ the day. Having a positive _24__not only allows us to enjoy life more but also _25__ our health and relationships with others.

To lead a happy life, we need to have a positive attitude. We are responsible for our own _26__; other people can’t make us happy. We need to decide to make ourselves happy. This is wonderful because we don’t have to wait around for someone else to do it for us.

We should surround ourselves with __27_ people. We are influenced by those people with whom we spend the most time. When we have positive friends, we become positive. Otherwise, we become _28__.

We should also use positive_29__. A. L. Kitselman once said, “‘I am…’ are powerful words; be careful when you use them.” We need to replace our negative self-talk with positive words. Don’t say “I hate getting up in the morning.” Instead, try to say “I am _30__to see a new day.” Changing our self-talk will lead us to the changes in our behavior.

21. A. affairs         B. questions      C. troubles        D. problems               

22. A. change         B. refuse         C. keep          D. invent

23. A. look forward to        B. look down on    C. look up to      D. look back on

24. A. opinion        B. attitude       C. influence        D. answer

25. A. damages        B. improves       C. affects        D. weakens

26. A. satisfaction      B. decision       C. happiness      D. development

27. A. positive        B. friendly       C. easy-going        D. good-mannered

28. A. anxious        B. nervous       C. satisfied       D. negative

29. A. writings        B. pictures       C. expressions     D. signs

30. A. painful         B. bored         C. thankful             D. surprised

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骨关节炎保护关节功能包括()

A.减少肌肉力量

B.过度负荷

C.避免运动

D.减轻体重

E.加强体育锻炼

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