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【判断题】
毒品是指能够使人成瘾的麻醉药品和精神药品的统称
A.
正确
B.
错误
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举一反三
【单选题】下列反应中，铁元素被氧化的是（    ）
A.
FeS +2HCl = FeCl 2 + H 2 S↑
B.
Fe +H 2 SO 4 = FeSO 4 +H 2 ↑
C.
FeO + 2HCl =FeCl 2 +H 2 O
D.
2FeCl 3 +Cu = 2FeCl 2 + CuCl 2
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【单选题】下列反应中，铁元素发生氧化反应的是 [     ]
A.
FeS +2HCl = FeCl 2 + H 2 S↑
B.
Fe +H 2 SO 4 = FeSO 4 +H 2 ↑
C.
FeO + 2HCl =FeCl 2 + H 2 O
D.
Fe 2 O 3 +3CO = 2Fe +3CO 2
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【单选题】There are four shi ( 是 ) sentences below in Chinese in brackets, and their translation as well. Which shi ( 是 ) is translated into “be”? ( )
A.
Purple belonged to the emperor because of its associations with the north star.
B.
It is a closed residence with only one gate leading to the outside
C.
The Forbidden City stands as the largest complex of palace buildings anywhere in the world
D.
Hong Kong-Zhuhai-Macao Bridge, the world ’ s longest sea bridge, was opened on 23.
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【单选题】记过处分考察期为( )。
A.
6个月
B.
8个月
C.
10个月
D.
12个月
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【单选题】An online retailer using the 4Ps marketing mix model should categorise its website under the category of `place'. Is this statement TRUE or FALSE?
A.
True
B.
False
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【判断题】中国梦就是实现中华民族伟大复兴的梦想，是和平、发展、合作、共赢的梦，其本质是：国家富强、民族振兴、人民幸福。实现中国梦，必须走中国道路，必须弘扬中国精神，凝聚中国力量。()
A.
正确
B.
错误
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【单选题】下列反应属于化合反应的是
A.
B.
CaCO 3 CO 2 ↑＋CaO
C.
Zn +2HCl=ZnCl 2 +H 2 ↑
D.
2NaOH+CO 2 =Na 2 CO 3 +H 2 O
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【单选题】如图所示的微观变化与下列反应及反应类型对应正确的是 [     ]
A.
2CO + O 2 2CO 2 化合反应
B.
2HI + Cl 2 ===2HCl + I 2 置换反应
C.
2H 2 O 2H 2 ↑ + O 2 ↑  分解反应
D.
2HCl + CuO===CuCl 2 + H 2 O  复分解反应
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【简答题】“中国梦”的实质就是( )富强、民族复兴、人民幸福。
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【单选题】An effective way to prevent the burnout of young athletes is .
A.
to reduce their mental stress
B.
to increase their sense of success
C.
to make sports less competitive
D.
to make sports more challenging
查看完整题目与答案
相关题目：
【单选题】下列反应中，铁元素被氧化的是（    ）
A.
FeS +2HCl = FeCl 2 + H 2 S↑
B.
Fe +H 2 SO 4 = FeSO 4 +H 2 ↑
C.
FeO + 2HCl =FeCl 2 +H 2 O
D.
2FeCl 3 +Cu = 2FeCl 2 + CuCl 2
查看完整题目与答案
【单选题】下列反应中，铁元素发生氧化反应的是 [     ]
A.
FeS +2HCl = FeCl 2 + H 2 S↑
B.
Fe +H 2 SO 4 = FeSO 4 +H 2 ↑
C.
FeO + 2HCl =FeCl 2 + H 2 O
D.
Fe 2 O 3 +3CO = 2Fe +3CO 2
查看完整题目与答案
【单选题】There are four shi ( 是 ) sentences below in Chinese in brackets, and their translation as well. Which shi ( 是 ) is translated into “be”? ( )
A.
Purple belonged to the emperor because of its associations with the north star.
B.
It is a closed residence with only one gate leading to the outside
C.
The Forbidden City stands as the largest complex of palace buildings anywhere in the world
D.
Hong Kong-Zhuhai-Macao Bridge, the world ’ s longest sea bridge, was opened on 23.
查看完整题目与答案
【单选题】记过处分考察期为( )。
A.
6个月
B.
8个月
C.
10个月
D.
12个月
查看完整题目与答案
【单选题】An online retailer using the 4Ps marketing mix model should categorise its website under the category of `place'. Is this statement TRUE or FALSE?
A.
True
B.
False
查看完整题目与答案
【判断题】中国梦就是实现中华民族伟大复兴的梦想，是和平、发展、合作、共赢的梦，其本质是：国家富强、民族振兴、人民幸福。实现中国梦，必须走中国道路，必须弘扬中国精神，凝聚中国力量。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列反应属于化合反应的是
A.
B.
CaCO 3 CO 2 ↑＋CaO
C.
Zn +2HCl=ZnCl 2 +H 2 ↑
D.
2NaOH+CO 2 =Na 2 CO 3 +H 2 O
查看完整题目与答案
【单选题】如图所示的微观变化与下列反应及反应类型对应正确的是 [     ]
A.
2CO + O 2 2CO 2 化合反应
B.
2HI + Cl 2 ===2HCl + I 2 置换反应
C.
2H 2 O 2H 2 ↑ + O 2 ↑  分解反应
D.
2HCl + CuO===CuCl 2 + H 2 O  复分解反应
查看完整题目与答案
【简答题】“中国梦”的实质就是( )富强、民族复兴、人民幸福。
查看完整题目与答案
【单选题】An effective way to prevent the burnout of young athletes is .
A.
to reduce their mental stress
B.
to increase their sense of success
C.
to make sports less competitive
D.
to make sports more challenging
查看完整题目与答案