简述良好态度与品德的培养的方法。
参考答案:(1)有效的说服; (2)树立良好的榜样; (3)利用群体约定; (4)价值辨析; (5)给予适当的奖励与惩罚。
按要求改写句子。
1. I have a fever. (对划线部分提问 )
__________ the __________ you?
2. Mrs Brown has a rest every five minutes. (同上)
__________ does Mrs Brown have a rest?
3. Please open your books. (改为否定句)
__________ your books, __________.
4. She shouldn't eat anything for 24 hours. (改为肯定句)
She __________ eat __________ for 24 hours.
5. Nancy had a cold yesterday. (改为同义句)
Nancy __________ yesterday.
6. She has a stomachache and a headache. (改为否定句)
She ___________ a stomachache __________ a headache.
铜材在建筑业中尤其在装饰上广泛应用,纯铜即紫铜。而金灿灿的黄铜管材是因为加入了下列哪种成分而生成的()
A. 10%锡
B.20%铁
C.30%铅
D. 40%锌