水稻种子的胚的染色体为24。

题型:判断题

问题:

水稻种子的胚的染色体为24。

考点:农学种子生产学种子生产学题库
题型:判断题

Visitors to this country are normally admitted for six months, but foreign students can usually stay for one year. They must (54) an educational institution, and they are required to study for a (55) of fifteen hours a week on a daytime course. Prospective students have to show that they can afford their studies, and that they have sufficient (56) resources to support themselves (57) in this country.

In order to work here the foreigner needs a work permit, (58) must be applied for by his prospective employer. The problem here is that the Department of Employment has the right to grant or (59) these permits, and there is little that can be done (60) it; it would be extremely unwise for a foreign visitor to work (61) a permit, since anyone doing so is liable to immediate deportation (驱逐出境). There are some people from the European countries, who are often given (62) residence permits of up to five years. Some other people, such as doctors, foreign journalists, authors and others can work without permits, and foreign students are normally allowed to (63) part-time jobs while they are studying here.

56().

A.natural 

B.financial 

C.human 

D.economical

题型:判断题

促使原始人过定居生活的主要因素是[ ]

A.自然环境的变化

B.氏族公社的出现

C.原始农业的发展

D.会建造房屋

题型:判断题

下表是三个城市的气候资料,据此回答问题。

城市①、②、③可能分别是

A.上海 莫斯科 孟买

B.上海 罗马 孟买

C.北京 罗马 雅加达 

D.北京 莫斯科 雅加达

题型:判断题

女患者,45岁,小腹部有一包块,坚硬,固定不移,疼痛拒按,面色晦黯,月经量多。舌边有瘀点,脉沉涩。临床医生建议其服桂枝茯苓丸。

桂枝茯苓丸中桂枝的作用在于()

A.温经散寒

B.通络活血

C.养血和营

D.温经行气通阳

E.温阳行水

题型:判断题

对不服从分配,经批评教育无效的毕业学员,由院校按照规定开除其学籍,撤出其档案中有关()材料,按义务兵退回原入伍(学)前所在地。

A.学习成绩

B.学籍

C.学历

D.学位

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