题干

某种植物细胞减数分裂过程中几个特定时期的显微照片如下.下列叙述正确的是(    )

A:图甲中,可判断细胞处于减数第一次分裂前期

B:图乙中,移向细胞两极的染色体组成是相同的

C:图丙中,染色体的复制正在进行,着丝点尚未分裂

D:图丁中,细胞的同源染色体分离,染色体数目减半

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答案(点此获取答案解析)

A

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Boston College is a state­supportedcollege on the east coast of England which has been recruiting overseasstudents for over 20 years and now has almost 200 international students frommore than 20 different countries.You and your parents can be sure you willreceive the care and support you need to succeed at our college.

We have excellent teaching staff, withtime and patience to help you learn in a stimulating but relaxed atmosphere.We are accredited by the British Council for the quality of our Englishlanguage teaching so you can be sure your learning experience will be good.

Our new modular English course isflexible and enables you to choose the best time to join us.Not only will youcover all aspects of the English language but you will have the choice ofoption subjects such as IELTS Preparation, British Culture, Literature,Business English or Study Skills.We will assess your level of English when youarrive so you can be sure you will study with students of the sameability.Classes are small:usually12~16students so you will receive the individual attention you need to help yousucceed.

Boston College is based on two maincampuses with English courses being taught in our state­of­the­art languagebuilding convenient for our Hall of Residence on the Rochford Campus.A­Leveland International Foundation classes are taught on both Rochford and DeMontfort Campuses.Classrooms are modern and well equipped with a number of specialistfacilities for photography and video,computersuites, art and music studios and an all weather sports pitch.Both campuseshave large Learning Resource Centres, well equipped with computers for studentuse, also available for research or assignment work.Our diploma courses includecatering, hairdressing, computing and engineering, each with its own specialistfacilities.We also have a Music Centre providing teaching rooms, recordingstudio and concert hall.

Notes

diploma n.文凭