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【单选题】
下列说法中不正确的是              (　　)。
A.
空气中的臭氧对人体健康有益无害
B.
光化学烟雾的产生与汽车排放的尾气有关
C.
倡导人们在购物时使用纸袋或布袋，最好不用塑料袋，是为了防止白色污染
D.
SO 2 是形成酸雨的主要物质之一
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参考答案：
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【简答题】There is evidence that the usual variety of high blood pressure is, in part, a familial disease. Since families have similar genes as well as similar environments, familial diseases could be due to sh...
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【简答题】用所给词的适当形式填空。 1. His parents are good _____. (dance) 2. An apple a day is good for your_____. (healthy) 3. I want to have some_____ fish. (dry) 4. There are some_____ in the room. (shelf) 5. There are ...
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【简答题】137-138 第137题：
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【单选题】I/O 编址方式通常可分统一编址和不统一编址,()。
A.
统一编址就是将I/O地址看做是存褚器地址的一部分，可用专门的I/O指令对设备进行访问
B.
不统一编址是指I/O地址和存储器地址是分开的，所以对I/O访问必须有专门的I/O指令
C.
统一编址是指I/O地址和存储器地址是分开的，所以可用访存指令实现CPU对设备的访问
查看完整题目与答案
【单选题】There is evidence that the usual variety of high blood pressure is, in part, a familial disease. Since families have similar genes as well as similar environments, familial diseases could be due to sh...
A.
as members of the same family tend to use similar amounts of salt
B.
to explore the long-term use of a sodium based substance
C.
because it was proven that salt caused high blood pressure
D.
because of the availability of chemically pure salt and its derivatives
查看完整题目与答案
【单选题】CR1不具备的功能是( )
A.
促使B细胞活化
B.
抑制补体激活
C.
作为EBV受体参与某些疾病的发生
D.
清除免疫复合物
E.
促进吞噬细胞的吞噬作用
查看完整题目与答案
【简答题】There is evidence that the usual variety of high blood pressure is, in part, a familial disease. Since families have similar genes as well as similar environments, familial diseases could be due to sh...
查看完整题目与答案
【单选题】I/O编址方式通常可分统一编址和不统一编址，（）
A.
统一编址就是将I/O地址看做是存褚器地址的一部分，可用专门的I/O指令对设备进行访问
B.
不统一编址是指I/O地址和存储器地址是分开的，所以对I/O访问必须有专门的I/O指令
C.
统一编址是指I/O地址和存储器地址是分开的，所以可用访存指令实现CPU对设备的访问。
D.
都不对
查看完整题目与答案
【单选题】I/O 编址方式通常可分统一编址和不统一编址,——。
A.
统一编址就是格 I/O 地址看作是存储器地址的一部分，可用专门的 I/O 指令对设备进行访问
B.
不统一编址是指 I/O 地址和存储器地址是分开的对 I/O 访问必须有专门 I/O 指令
C.
统一编址是指 I/O 地址和存储器地址是分开的，可用访存指令实现 cPU 对设备的访问。
查看完整题目与答案
【简答题】There is evidence that the usual variety of high blood pressure is, in part, a familiar disease. Since families have similar genes as well as similar environments, familiar diseases could be due to sh...
查看完整题目与答案
相关题目：
【简答题】There is evidence that the usual variety of high blood pressure is, in part, a familial disease. Since families have similar genes as well as similar environments, familial diseases could be due to sh...
查看完整题目与答案
【简答题】用所给词的适当形式填空。 1. His parents are good _____. (dance) 2. An apple a day is good for your_____. (healthy) 3. I want to have some_____ fish. (dry) 4. There are some_____ in the room. (shelf) 5. There are ...
查看完整题目与答案
【简答题】137-138 第137题：
查看完整题目与答案
【单选题】I/O 编址方式通常可分统一编址和不统一编址,()。
A.
统一编址就是将I/O地址看做是存褚器地址的一部分，可用专门的I/O指令对设备进行访问
B.
不统一编址是指I/O地址和存储器地址是分开的，所以对I/O访问必须有专门的I/O指令
C.
统一编址是指I/O地址和存储器地址是分开的，所以可用访存指令实现CPU对设备的访问
查看完整题目与答案
【单选题】There is evidence that the usual variety of high blood pressure is, in part, a familial disease. Since families have similar genes as well as similar environments, familial diseases could be due to sh...
A.
as members of the same family tend to use similar amounts of salt
B.
to explore the long-term use of a sodium based substance
C.
because it was proven that salt caused high blood pressure
D.
because of the availability of chemically pure salt and its derivatives
查看完整题目与答案
【单选题】CR1不具备的功能是( )
A.
促使B细胞活化
B.
抑制补体激活
C.
作为EBV受体参与某些疾病的发生
D.
清除免疫复合物
E.
促进吞噬细胞的吞噬作用
查看完整题目与答案
【简答题】There is evidence that the usual variety of high blood pressure is, in part, a familial disease. Since families have similar genes as well as similar environments, familial diseases could be due to sh...
查看完整题目与答案
【单选题】I/O编址方式通常可分统一编址和不统一编址，（）
A.
统一编址就是将I/O地址看做是存褚器地址的一部分，可用专门的I/O指令对设备进行访问
B.
不统一编址是指I/O地址和存储器地址是分开的，所以对I/O访问必须有专门的I/O指令
C.
统一编址是指I/O地址和存储器地址是分开的，所以可用访存指令实现CPU对设备的访问。
D.
都不对
查看完整题目与答案
【单选题】I/O 编址方式通常可分统一编址和不统一编址,——。
A.
统一编址就是格 I/O 地址看作是存储器地址的一部分，可用专门的 I/O 指令对设备进行访问
B.
不统一编址是指 I/O 地址和存储器地址是分开的对 I/O 访问必须有专门 I/O 指令
C.
统一编址是指 I/O 地址和存储器地址是分开的，可用访存指令实现 cPU 对设备的访问。
查看完整题目与答案
【简答题】There is evidence that the usual variety of high blood pressure is, in part, a familiar disease. Since families have similar genes as well as similar environments, familiar diseases could be due to sh...
查看完整题目与答案
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