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【简答题】
气压梯度力的方向是 _____________________________ ,其大小与等压线的疏密 _____________ ,等压线越密集,风力越 _______ 。
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tomatos; potatoes
B.
tomatoes; potatos
C.
tomatoes; potatoes
D.
tomatos; potatos
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【单选题】噬菌体的生物学性状
A.
DNA
B.
RNA
C.
DNA 和 RNA
D.
DNA 或 RNA
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【单选题】关于噬菌体的生物学性状叙述错误的是( )
A.
能通过滤菌器
B.
形态多呈蝌蚪形
C.
不具免疫原性
D.
主要成分是核酸和蛋白质
E.
具有严格的宿主特异性
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【单选题】噬菌体的生物学特性与下列哪种微生物相似?
A.
细菌
B.
病毒
C.
支原体
D.
衣原体
E.
立克次体
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【单选题】We are making a (n) ____ of 20% reduction in the price to all customers who place an order before May. [     ]
A.
service
B.
offer
C.
budget
D.
appointment
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【简答题】为下列句子选择相应图片。 (     ) 1. I'm going to clean my room this morning. A. (     ) 2. I'm going to play football this afternoon. B. (     ) 3. I'm going to watch TV tonight. C. (     ) 4. I'm going to visit ...
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相关题目：
【单选题】—I'm going to buy some _____. What about you? —I'm going to buy some _____. [     ]
A.
tomatos; potatoes
B.
tomatoes; potatos
C.
tomatoes; potatoes
D.
tomatos; potatos
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【简答题】简述噬菌体的生物学性状。
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【单选题】噬菌体的生物学性状
A.
DNA
B.
RNA
C.
DNA 和 RNA
D.
DNA 或 RNA
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【单选题】关于噬菌体的生物学性状叙述错误的是( )
A.
能通过滤菌器
B.
形态多呈蝌蚪形
C.
不具免疫原性
D.
主要成分是核酸和蛋白质
E.
具有严格的宿主特异性
查看完整题目与答案
【单选题】噬菌体的生物学特性与下列哪种微生物相似?
A.
细菌
B.
病毒
C.
支原体
D.
衣原体
E.
立克次体
查看完整题目与答案
【单选题】We are making a (n) ____ of 20% reduction in the price to all customers who place an order before May. [     ]
A.
service
B.
offer
C.
budget
D.
appointment
查看完整题目与答案
【简答题】为下列句子选择相应图片。 (     ) 1. I'm going to clean my room this morning. A. (     ) 2. I'm going to play football this afternoon. B. (     ) 3. I'm going to watch TV tonight. C. (     ) 4. I'm going to visit ...
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