教材审核工作中，要通过教材审核充分体现培训的科学性和开拓创新精神。
参考答案：对
解析：对。不具备这两点的教材，是没有实用价值的。
根据句意及首字母提示补全单词。
1. I like g _____ best because I can learn a lot about the world.
2. —Which of the books did you like?
—N _____ of them. They were both dull.
3. He played well in the o _____.
4. Which of these two dresses do you p _____?
5. Another name for s _____ school is high school.
6. He is never a _____ from school.
7. He gave s _____ and led marches.
8. They ran to s _____, away from the fire.
砂炒马钱子能降低毒性，保留生物活性的原因有（）
A.士的宁含量降低
B.马钱子碱含量降低
C.异士的宁含量增加
D.异马钱子碱含量增加
E.总生物碱含量增加
