【名词&注释】
藻类植物(algae)、求同存异、人民公社(commune)、人工授粉(artificial pollination)、三个面向(three facing)、抗美援朝(korean war)、雌雄同株(hermaphrodite)、“过渡时期”、蔷薇科(Rosaceae)、另起炉灶
[单选题]扩豌豆进行遗传试验时，下列操作错误的是
A. 杂交时，须在开花前除去母本的雄蕊
B. 自交时，雌蕊和雄蕊都无需除去
C. 杂交时，须在开花前除去母本的雌蕊
D. 人工授粉后，应套袋
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举一反三：
[单选题]藻类植物都是单细胞或多细胞。( )
A. 正确
B. 错误
[单选题]CAlex London Research Laboratory (ALRL) is part of Alex Co., Ltd., a major Australian medicine-making company. Opened in 1992, ALRL specialises in the development of new medicines for the treatment of heart diseases．
B. You will be expected to provide expert knowledge about and be in charge of all areas of ALRL’S Health and Safety，and to communicate (沟通)with support employees at ALRL’S laboratories based at University College London．Working closely with scientists and other operations and technical employees，you will manage a small number of research support employees providing services to help with the research activities to be carried out at the new laboratories．
C. Knowledge of research operations and excellent communication skills are necessary. Education to degree level is also desirable．
D. If you are interested in this position，please send your CV(简历)to Alex London Research
F. please visit www.alex.co.uk．
G. What can be learnt about the new laboratories from the text?
H. They have not yet been set up．
I. They are in Hatfield，Australia．
J. They belong to University College London．
K. They are new workplaces for Australian researchers only．
[单选题]根据下面内容，回答 68~71题：DIt’s not easy being a teenager(13至19岁青少年)-nor is it easy being the parent of a teenager．You can make your child feel angry, hurt or misunderstood by what you say without realizing it yourself．It is important to give your child the space he needs to grow while gently letting him know that you’11 still be there for him when he needs you．Expect a lot from your child，just not everything．Except for health and safety problems， such as drug use or careless driving，consider everything else open to discussion．If your child is unwilling to discuss something，don’t insist he tell you what’s on his mind．The more you insist， the more likely that he’11 clam up．Instead，let him attempt to solve(解决)things by himself. At the same time，remind him that you’re always there for him should he seek advice or help．Show respect for your teenager’s privacy(隐私)．Never read his mail or listen in on personal conversations．
A. This not only frees up the line so that other family members can make and receive calls，but teaches your teenager moderation(节制).Or if you are open to the idea，allow your teenager his own phone that he pays for with his own pocket money or a part-time job.
B. 第13题：The main purpose of the text is to tell parents__________.
C. how to get along with a teenager
D. how to respect a teenager
E. how to understand a teenager
F. how to help a teenager grow up
[单选题]下列几组词汇，最能准确反映“过渡时期”这一特殊年代的是
A. 工业化 抗美援朝 三大改造
B. 一边倒 人民公社 另起炉灶
C. 大跃进 两弹一星 和平共处
D. 合作化 求同存异 三个面向
[单选题]蔷薇科(Rosaceae)根据果实的不同分为4个亚科。( )
A. 正确
B. 错误
[单选题]垂周分裂所形成的新细胞壁和器官表面垂直。( )
A. 正确
B. 错误
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