题目:
()是道德之本,(教育观念)是师德之魂。
答案:
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下面是错误答案,用来干扰机器的。
参考答案:A, B, C, D
()是道德之本,(教育观念)是师德之魂。
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下面是错误答案,用来干扰机器的。
参考答案:A, B, C, D
、已知一平面图形的斜二测直观图是底角等于45°的等腰梯形,则原图是 形.
在l-5题中,Ronald, Versa, Rosalind, Clarence和 Tracy正各计划买一本书。阅读下面六本书的介绍 (选项A、B、C、D、E、F),选出符合各自要求的最佳选项。选项中有一项是多余选项。 | ||||||
____1. Ronald is an African-American student who is very hard-working at all his subjects especially in American history. He is eager to know the whole history of the USA and wishes to get an ideal book to realize his dream. ____2. Versa used to be ill in hospital for quite some time and therefore has great difficulty with his studies. He can't even understand what his teachers say in class. Therefore, he is in great need of a valuable book to give him a hand. ____3. It's only two months before Rosalind's mother's birthday comes. Deeply loving her mother, Rosalind is to give her a great surprise by cooking a rich and delicious birthday dinner for her. As she is now poor in cooking, she needs a book for her purpose. ____4. Clarence aims at entering a leading university. To his great pity, high grades seem still a long way from him even though he has devoted most of his energy and time to his lessons. How he wishes to get a book for good tips on studying and time management! ____5. Tracy is good at music and drawing and is thought to be gifted in art. She herself also has decided to work herself towards this direction. Only natural talent and ideas are not enough. She still needs some other help besides that from teachers. She wants to buy a book which meets her need. | ||||||
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试述石灰性土壤对水溶性磷肥的固定机制和提高磷肥利用率的关键与途径。
青蒿原植物是()
A.青蒿
B.滨蒿
C.牡蒿
D.黄花蒿
E.茵陈蒿
ABO血型抗体一般分为两类,实际上都是()
A.遗传而来
B.免疫产生的
C.免疫原作用而产生
D.异型抗原刺激而来
E.种属特性不同