小麦的红粒、白粒由一对等位基因控制,有芒、无芒由另一对等位基因控制,这两对基因分

题型:选择题

问题:

小麦的红粒、白粒由一对等位基因控制,有芒、无芒由另一对等位基因控制,这两对基因分别位于两对同源染色体上。现有一株“红粒有芒”小麦,经自花授粉后获得320颗种子(F1)。播种后,若其中有60颗发育成红粒无芒植株,并有若干颗发育为白粒无芒植株、若干颗发育为有芒植株,以理论推算,F1中与亲本基因型相同的应有[ ]

A.20株

B.60株

C.80株

D.180株

考点:基因型和表现型自由组合定律
题型:选择题

People often say you never get a second chance to make a first impression, and that's actually quite true.    小题1: After all, making a good first impression is all about making others feel good when spending time with them.The following tips will help you make a positive impression every time.

● Dress appropriately

  小题2:  That means dressing up or putting on nice, clean, situation-appropriate clothes for social situations.It isn't difficult and it doesn't have to cost you much, either.

● Be aware of your body language

Words express very little of what you say.Body language can tell someone a lot about your mood and confidence level. 小题3:   Eye contact is an easy way to make others feel comfortable, important and special.Nervous body language can make others uncomfortable and anxious.Try to be aware of your body language when communicating with others.

● Respect the opinions of others

Not everyone will have the same opinion with you, and friendly disagreements can be a gateway to a great conversation.Respect other people's right to have their own opinion.Respect the opinions of others even if you disagree with them.小题4:   

  小题5:  

People love talking about themselves, but generally, you want to be careful of taking over the conversation.By listening carefully to what others are saying, you are not only making them feel important, but you can gather cues you need to keep the conversation going and bridge to new topics.

A.Be a careful listener.

B.Show an interest in every person you meet.

C.Smile especially when first meeting someone.

D.Make sure you look nice whenever you meet someone new.E.Meeting new people and starting conversations is often challenging.

F.Others will want to be with you and help you make a good impression.

G.Don't force others to believe what you believe or to see things only as you see them.

题型:选择题

浮肿型蛋白质-热能营养不良主要是由于缺乏()

A.蛋白质

B.热能

C.维生素

D.矿物质

E.微量元素

题型:选择题

手消毒效果应达到的要求:外科手消毒监测的细菌数应()

A、≤10cfu/cm2

B、≤5cfu/cm2

C、≤15cfu/cm2

D、≤8cfu/cm2

题型:选择题

首席风险官发现涉嫌占用、挪用客户保证金等违法违规行为或者可能发生风险的,应当立即向中国证监会派出机构和公司()报告。

A.监事会

B.股东大会

C.董事会

D.员工代表大会

题型:选择题

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