为防止发生性状分离，在进行组织培养时，不宜采用供体植株的[ ]_爱下问搜题

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问题选择题

为防止发生性状分离，在进行组织培养时，不宜采用供体植株的[ ]

A．子房壁

B．花粉粒

C．茎尖

D．叶片

答案

答案：B

选择题

朱熹尝论”安石乃汲汲以财利兵革为先务，引用凶邪，排摈忠直，使天下之人，嚣然丧其乐生之心。卒之群 * * 嗣虐，流毒四海，至于崇宁、宣和之际，而祸乱极矣。”在朱熹看来，王安石令人失望的原因是

A．改革内容偏颇、用人不当、改革致乱

B．性格固执、偏听偏信、资金不足

C．言行不一、朝廷猜忌、性格偏执

D．触犯利益既得者、同僚倾轧、急于求成

填空题

Do You Need an MBA

Perhaps you have seen the media stories and some of the exciting career opportunities of MBAs, and you imagine, "That could be me ... " You might be well into the career of (26) dreams, but you have been told you will need an (27) to advance. Or, you may be at a (28) in your career and wonder how you should make a translation. (29) of what initially inspired you to consider an MBA degree, you (30) start with a thorough self-assessment process that will help you match your personal strengths and interests with your professional ones to help you explore (31) an MBA makes sense for you.
(32) helps you focus and articulate your thinking. Exhibiting undirected thinking or behavior might (33) you from gaining admission to an MBA program. More importantly, you will limit your return on investment if you (34) choose a school or are ill-prepared to take (35) of its educational opportunities. The MBA is very different from many (36) graduate degrees, in which academic promise is (37) paramount in the admissions process. At a minimum, business school (38) officers consider career history and aspirations, evidence of leadership potential, and academic achievement. (39) the typical MBA candidate has several years of full-time, post-undergraduate work experience in a (40) capacity and can clearly articulate motivations for MBA study.
A good self-assessment process will help you establish specific career and education goals (41) utilize your strengths (42) address your weaknesses. Lacking specific goals, you will be searching (43) direction for a school. How will you eliminate options, much (44) make a choice you will be happy with in the end (45) will you determine whether the MBA experience was a good value Whenever you are considering major changes in your life, self-assessment can help you clarify your goals and make wise decisions.

A. lessB. so C. as D. more