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【判断题】
气候相似性原理是:引种地与引入地之间的主要气候因素应相似,足以使引种的作物能够正常生长与发育,引种才易获得成功。
A.
正确
B.
错误
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【判断题】在诊断转向系故障前,应先检查前轮定位、轮胎气压、减振器等可能出现问题的部位。
A.
正确
B.
错误
【单选题】What does the man say about the criticism of technology?
A.
Ignore the criticism.
B.
We need to consider what technology may bring us.
C.
He feels bad about the criticism.
D.
He thinks the criticism is far-fetched.
【单选题】What does the story " The man with the horn" mainly tell us?
A.
It tells us of the famous jazz musician Louis Armstrong
B.
It tells us how Louis came to play his horn
C.
It tells us how people loved Louis and his horn
【单选题】What does the conversation tell us about the new job the man is talking about?
A.
It will offer him a better opportunity for career development.
B.
It requires a lot of experience in business management.
C.
He is quite confident that he can get it.
D.
He has to be in interviewed twice for the job.
【单选题】What does the conversation tell us about the new job the man is talking about?
A.
It will offer him a better opportunity for career development.
B.
It requires a lot of experience in business management.
C.
He is quite confident that he can get it.
D.
He has to be interviewed twice for the job.
【单选题】中共十二大首次提出新时期指引全党和全国人民前进的基本口号,这个基本口号是()。
A.
开辟中国特色社会主义道路
B.
坚持四项基本原则
C.
坚持改革开放
D.
建设有中国特色社会主义
【判断题】青藏高原的总体地势呈西北低,东南高。()
A.
正确
B.
错误
【单选题】What does the man say about the criticism of technology?
A.
We should ignore the criticism.
B.
We need to consider what technology may bring to us.
C.
He feels bad about the criticism.
D.
He thinks the criticism is far-fetched.
【判断题】在诊断转向系故障前,应先检查前轮定位、轮胎气压、减振器等可能出现问题的部位。 o:p>
A.
正确
B.
错误
【多选题】硅胶薄层色谱法鉴定生物碱,为防止拖尾可选用( )
A.
酸性展开剂
B.
碱性展开剂
C.
中性展开剂
D.
氨水饱和
E.
乙酸饱和
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