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【多选题】
下面关于S7-200系列PLC的脉冲输出指令的叙述中正确的是( )
A.
EU是上升沿检测指令；
B.
EU指令使操作软元件在输入信号上升沿时产生一个可调周期的脉冲输出；
C.
ED指令则使操作软元件在输入信号下降沿产生一个可调周期的脉冲输出。
D.
ED是下降沿检测指令
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【单选题】小肠上皮细胞对葡萄糖进行逆浓度差吸收时,伴有Na + 顺浓度差进入细胞,称为继发性主动转运,所需能量间接来自
A.
线粒体
B.
钠泵
C.
钙泵
D.
中心体
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【单选题】听力原文：The bank of China is a state-owned enterprise and is a specialized foreign exchange bank of the People's Republic of China. (2)
A.
The Bank of China is not a state-owned enterprise.
B.
The Bank of China is a foreign exchange bank.
C.
The Bank of China is not a foreign exchange bank.
D.
The Bank of China is not very important.
查看完整题目与答案
【单选题】听力原文： There are wonderful sights to view all around Tower Bridge, too. It is one of the most interesting parts of London. On its south side are many tall and old buildings. They are warehouses which h...
A.
The Tower of London.
B.
The Tower Bridge in London.
C.
The Thames.
D.
The tall and old warehouses.
查看完整题目与答案
【单选题】What kind of state is likely to be favored by foreign-owned plants?
A.
One that has foreign-owned partsmakers.
B.
One that has friendly management-worker relationships.
C.
One that is favored by their own countries' unions.
D.
One that has no favorable regulations for union powers.
查看完整题目与答案
【单选题】When managers decide to establish a wholly owned foreign subsidiary, they:
A.
sell the company’s own products abroad or allow a local organization in the foreign country to distribute its products while manufacturing only in the home country.
B.
invest in establishing production operations in a foreign country independent of any local direct involvement.
C.
sell to a foreign organization the rights to use the company’s brand name and operating know-how in return for a lump-sum payment and share of the profits.
D.
allow a foreign organization to take charge of both manufacturing and distributing one or more of the company’s products in a foreign country.
查看完整题目与答案
【单选题】题小肠上皮细胞对葡萄糖进行逆浓度差吸收时,伴有Na+顺浓度差进入细胞,称为继发性主动转运。所需的能 量间接地由何者供应
A.
线粒体
B.
钠泵
C.
钙泵
D.
高尔基体
E.
中心体
查看完整题目与答案
【单选题】二-三点检验法评价时，评价员得到一组样品，又称为()。
A.
编号样品
B.
三联样
C.
未知样
D.
标准样
查看完整题目与答案
【单选题】The government ______ the foreign-owned corporations one after another.
A.
took over
B.
took out
C.
took off
D.
took on
查看完整题目与答案
【简答题】其他方面 a．Foreign-owned Enterprise Labour Contract b．International Leasing Contract c．Foreign insurance Contract d．Foreign Warranty Contract e．Foreign Training Contract
查看完整题目与答案
【单选题】小肠上皮细胞对葡萄糖进行逆浓度差吸收时，伴有Na+顺浓度差进入细胞，称为继发性主动转运。所需的能量间接地由何者供应（）
A.
线粒体
B.
钠泵
C.
钙泵
D.
高尔基复合体
E.
中心体
查看完整题目与答案
相关题目：
【单选题】小肠上皮细胞对葡萄糖进行逆浓度差吸收时,伴有Na + 顺浓度差进入细胞,称为继发性主动转运,所需能量间接来自
A.
线粒体
B.
钠泵
C.
钙泵
D.
中心体
查看完整题目与答案
【单选题】听力原文：The bank of China is a state-owned enterprise and is a specialized foreign exchange bank of the People's Republic of China. (2)
A.
The Bank of China is not a state-owned enterprise.
B.
The Bank of China is a foreign exchange bank.
C.
The Bank of China is not a foreign exchange bank.
D.
The Bank of China is not very important.
查看完整题目与答案
【单选题】听力原文： There are wonderful sights to view all around Tower Bridge, too. It is one of the most interesting parts of London. On its south side are many tall and old buildings. They are warehouses which h...
A.
The Tower of London.
B.
The Tower Bridge in London.
C.
The Thames.
D.
The tall and old warehouses.
查看完整题目与答案
【单选题】What kind of state is likely to be favored by foreign-owned plants?
A.
One that has foreign-owned partsmakers.
B.
One that has friendly management-worker relationships.
C.
One that is favored by their own countries' unions.
D.
One that has no favorable regulations for union powers.
查看完整题目与答案
【单选题】When managers decide to establish a wholly owned foreign subsidiary, they:
A.
sell the company’s own products abroad or allow a local organization in the foreign country to distribute its products while manufacturing only in the home country.
B.
invest in establishing production operations in a foreign country independent of any local direct involvement.
C.
sell to a foreign organization the rights to use the company’s brand name and operating know-how in return for a lump-sum payment and share of the profits.
D.
allow a foreign organization to take charge of both manufacturing and distributing one or more of the company’s products in a foreign country.
查看完整题目与答案
【单选题】题小肠上皮细胞对葡萄糖进行逆浓度差吸收时,伴有Na+顺浓度差进入细胞,称为继发性主动转运。所需的能 量间接地由何者供应
A.
线粒体
B.
钠泵
C.
钙泵
D.
高尔基体
E.
中心体
查看完整题目与答案
【单选题】二-三点检验法评价时，评价员得到一组样品，又称为()。
A.
编号样品
B.
三联样
C.
未知样
D.
标准样
查看完整题目与答案
【单选题】The government ______ the foreign-owned corporations one after another.
A.
took over
B.
took out
C.
took off
D.
took on
查看完整题目与答案
【简答题】其他方面 a．Foreign-owned Enterprise Labour Contract b．International Leasing Contract c．Foreign insurance Contract d．Foreign Warranty Contract e．Foreign Training Contract
查看完整题目与答案
【单选题】小肠上皮细胞对葡萄糖进行逆浓度差吸收时，伴有Na+顺浓度差进入细胞，称为继发性主动转运。所需的能量间接地由何者供应（）
A.
线粒体
B.
钠泵
C.
钙泵
D.
高尔基复合体
E.
中心体
查看完整题目与答案
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