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【单选题】
宣纸产生于( )朝代。
A.
唐代
B.
宋代
C.
明代
D.
秦代
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参考解析：
知识点：
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【单选题】下列关于禽流感病毒的叙述,错误的是( )。
A.
对植物也有危害
B.
能用来制作禽流感疫苗
C.
只能寄生在活细胞里
D.
能使人或家禽患病
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【单选题】关于惯性的大小，下列说法正确的是（）
A.
两个质量相同的物体，所受阻力相同时，速度大的不容易停下来，所以速度大的物体惯性大
B.
物体的惯性与它的速度及受力情况无关，两物体质量相等，惯性就一定相同
C.
推动地面上静止的物体开始运动比维持这个物体做匀速运动所需的力大，所以静止的物体惯性大.
D.
在月球上举起重物比在地球上容易，所以同一个物体在月球上比在地球上惯性小
查看完整题目与答案
【单选题】听力原文：W: Good morning, can I help you? M: Yes, I'd like to know something about the weather in New York this week. W: Well, it's fairly hot and there's much rain in the evenings. M: I see, thanks very ...
A.
Windy.
B.
Very hot.
C.
A bit cold.
查看完整题目与答案
【单选题】常数项级数 收敛,则( )
A.
…+ ,
B.
C.
…+ , 存在
D.
不存在
查看完整题目与答案
【简答题】About three hundred words in the English language come from the names of people. Many of these words are technical words. When there is a new invention of discovery, a new word may be coined(杜撰) after...
查看完整题目与答案
【单选题】一个物体所受重力的大小,在下列情况下会改变的是( )
A.
把它从赤道移到北极
B.
在同一地点,把它放到水中
C.
在同一地点,把它放到密闭的容器里
D.
在同一地点,让它由静止变为运动
查看完整题目与答案
【单选题】下列关于禽流感病毒的叙述，错误的是（）
A.
属正黏病毒科
B.
加热可灭活
C.
人对其不易感
D.
包括甲型流感病毒的全部亚型
E.
在自然环境中存活时间短暂
查看完整题目与答案
【单选题】听力原文：W：Your dog certainly seems to know you are his master．Did you have to punish him very often when you train him? M：I found it's much better to praise him when he obeys and not to be so fussy when ...
A.
He has learned a lot from his own mistakes.
B.
He is quite experienced in training wild dogs.
C.
He finds reward more effective than punishment.
D.
He thinks it vital to master basic training skills.
查看完整题目与答案
【简答题】用所给单词的适当形式填空。 1. If you do wrong, you will have the____(punish) that you deserve one day. 2. The _____ (conduct) told the school boys not to throw litter onthe floor of the bus. 3. There is a____(dist...
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【单选题】禽流感病毒常在春秋季节肆虐。下列关于禽流感病毒的叙述,错误的是
A.
细胞微小，结构简单
B.
只能寄生在活的细胞里
C.
能使人、禽得病
D.
能够利用春秋季节来防治禽流感
查看完整题目与答案
相关题目：
【单选题】下列关于禽流感病毒的叙述,错误的是( )。
A.
对植物也有危害
B.
能用来制作禽流感疫苗
C.
只能寄生在活细胞里
D.
能使人或家禽患病
查看完整题目与答案
【单选题】关于惯性的大小，下列说法正确的是（）
A.
两个质量相同的物体，所受阻力相同时，速度大的不容易停下来，所以速度大的物体惯性大
B.
物体的惯性与它的速度及受力情况无关，两物体质量相等，惯性就一定相同
C.
推动地面上静止的物体开始运动比维持这个物体做匀速运动所需的力大，所以静止的物体惯性大.
D.
在月球上举起重物比在地球上容易，所以同一个物体在月球上比在地球上惯性小
查看完整题目与答案
【单选题】听力原文：W: Good morning, can I help you? M: Yes, I'd like to know something about the weather in New York this week. W: Well, it's fairly hot and there's much rain in the evenings. M: I see, thanks very ...
A.
Windy.
B.
Very hot.
C.
A bit cold.
查看完整题目与答案
【单选题】常数项级数 收敛,则( )
A.
…+ ,
B.
C.
…+ , 存在
D.
不存在
查看完整题目与答案
【简答题】About three hundred words in the English language come from the names of people. Many of these words are technical words. When there is a new invention of discovery, a new word may be coined(杜撰) after...
查看完整题目与答案
【单选题】一个物体所受重力的大小,在下列情况下会改变的是( )
A.
把它从赤道移到北极
B.
在同一地点,把它放到水中
C.
在同一地点,把它放到密闭的容器里
D.
在同一地点,让它由静止变为运动
查看完整题目与答案
【单选题】下列关于禽流感病毒的叙述，错误的是（）
A.
属正黏病毒科
B.
加热可灭活
C.
人对其不易感
D.
包括甲型流感病毒的全部亚型
E.
在自然环境中存活时间短暂
查看完整题目与答案
【单选题】听力原文：W：Your dog certainly seems to know you are his master．Did you have to punish him very often when you train him? M：I found it's much better to praise him when he obeys and not to be so fussy when ...
A.
He has learned a lot from his own mistakes.
B.
He is quite experienced in training wild dogs.
C.
He finds reward more effective than punishment.
D.
He thinks it vital to master basic training skills.
查看完整题目与答案
【简答题】用所给单词的适当形式填空。 1. If you do wrong, you will have the____(punish) that you deserve one day. 2. The _____ (conduct) told the school boys not to throw litter onthe floor of the bus. 3. There is a____(dist...
查看完整题目与答案
【单选题】禽流感病毒常在春秋季节肆虐。下列关于禽流感病毒的叙述,错误的是
A.
细胞微小，结构简单
B.
只能寄生在活的细胞里
C.
能使人、禽得病
D.
能够利用春秋季节来防治禽流感
查看完整题目与答案