多项选择题

乙公司以国产牛肉为样品，伪称某国进口牛肉，与甲公司签订了买卖合同，后甲公司得知这一事实。此时恰逢某国流行疯牛病，某国进口牛肉滞销，国产牛肉价格上涨。下列说法正确的是（）。

A.甲公司自知道样品为国产牛肉之日起一年内主张撤销该合同
B.乙公司有权自合同订立之日起一年内主张撤销该合同
C.甲公司有权决定履行该合同，乙公司无权拒绝履行
D.在甲公司决定撤销该合同前，乙公司有权按约定向甲公司要求给付货款
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We find that bright children are rarely held back by mixed-ability teaching. On the con-trary, both their knowledge and experience are enricheD.We feel that there are many dis-advantages in streaming (按智力划分) pupils. It does not take into account the fact that children develop at different rates. It can have a bad effect on both the bright and the not-so-bright chilD.After all, it can be quite discouraging to be at the bottom of the top grade!Besides, it is rather unreal to grade pupils just according to their intellectual ability. This is only one aspect of their total personality. We are concerned to develop the abilities of all our pupils to the full, not just their academic ability. We also value personal qualities and social skills, and we find that mixed-ability teaching contributes to all these aspects of learning.In our classrooms, we work in various ways. The pupils often work in groups: this gives them the opportunity to learn to co-operate, to share, and to develop leadership skills. They also learn how to cope with personal problems as well as learning how to think, to make decisions, to analyze and evaluate, and to communicate effectively. The pupils learn from each other as well as from the teacher.Sometimes the pupils work in pairs; sometimes they work on individual tasks and as-signments, and they can do this at their own speeD.They also have some formal class teaching when this is appropriatE.We encourage our pupils to use the library, and we teach them the skills they need in order to do this efficiently. An advanced pupil can do ad-vanced work: it does not matter what age the child is. We expect our pupils to do their best, not their least, and we give them every encouragement to attain this goal.In the passage the author's attitude towards 'mixed-ability teaching' is ______.A.criticalB.questioningC.approvingD.objective
A.In
B.
C.
In
D.
A.critical
B.questioning
C.approving
未分类题
By 'held back' (Line 1) the author means '______. 'A.made to remain in the same classB.forced to study in the lower classC.drawn to their studiesD.prevented from advancing
A.made
B.forced
C.drawn
D.prevented
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