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【单选题】
据报道，1994年12月科学家发现了一种新元素，它的相对原子质量为272，其原子核内有161个中子，则关于该新原子的说法中不正确的是（　　）
A.
质子数为161
B.
电子数为111
C.
核电荷数为111
D.
它在元素周期表中的原子序数应为111
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【单选题】Research completed in 1982 found that in the United States soil erosion ______.
A.
reduced the productivity of farmland by 20 percent
B.
was almost as severe as in India and China
C.
was causing significant damage to 20 percent of farmland
D.
could be reduced by converting cultivated land to meadow or forest
查看完整题目与答案
【单选题】Soil erosion means
A.
滑坡
B.
干旱
C.
水土流失
D.
沙漠化
查看完整题目与答案
【单选题】英版海图某灯塔灯高81m,额定光力射程24M,已知测者眼高为9m,则能见度良好(10 n mile)时该灯塔灯光的最大可见距离是 。
A.
26.4 n mile
B.
25.0 n mile
C.
24.0 n mile
D.
23.5 n mile
查看完整题目与答案
【单选题】Soil erosion turns field into .
A.
steppe
B.
deserts
C.
debris flow
D.
--
查看完整题目与答案
【单选题】英版海图某灯塔灯高69英尺，该轮额定光力射程18海里，你船眼高45英尺，当气象能见度为10海里时，该灯塔灯高最大可见距离为：
A.
18.0 海里
B.
17.2 海里
C.
12.2 海里
D.
10.0 海里
查看完整题目与答案
【简答题】Due to soil erosion, people living in the forest regions have to migrate annually in order to ______.
查看完整题目与答案
【单选题】The sharp decrease of soil erosion in 1982 resulted from
A.
the education of the USDA on farming technology.
B.
the practices of environmental protection on farming.
C.
the prevention of water runoff in the two large areas.
D.
the protection of plant residues around the whole year.
查看完整题目与答案
【单选题】______ is causing soil erosion(侵蚀)in the game reserves.
A.
The bad weather
B.
The disappearance of vegetation which is eaten by the animals
C.
The violent storms
D.
The animals
查看完整题目与答案
【多选题】下列哪些行为属于疫情期间公安机关严厉打击的违法犯罪行为?(多选)
A.
以故意逃避、恶意阻挠、暴力抗拒等方式拒不配合防疫、检疫、强制隔离、隔离治疗
B.
编造与疫情有关的虚假信息或明知道是编造的虚假信息而传播,制造恐慌、扰乱社会秩序
C.
明知已感染或可能感染新型冠状病毒,还故意进入公共场所传播扩散或者隐瞒情况与让人接触
D.
囤积居奇、哄抬物价、牟取暴利,严重扰乱市场秩序
查看完整题目与答案
【单选题】英版海图某灯塔灯高49m,额定光力射程25M,已知测者眼高为16m,则能见度良好(10 n mile)时该灯塔灯光的最大可见距离是 。
A.
19.3 n mile
B.
23.0 n mile
C.
24.2 n mile
D.
25.0 n mile
查看完整题目与答案
相关题目：
【单选题】Research completed in 1982 found that in the United States soil erosion ______.
A.
reduced the productivity of farmland by 20 percent
B.
was almost as severe as in India and China
C.
was causing significant damage to 20 percent of farmland
D.
could be reduced by converting cultivated land to meadow or forest
查看完整题目与答案
【单选题】Soil erosion means
A.
滑坡
B.
干旱
C.
水土流失
D.
沙漠化
查看完整题目与答案
【单选题】英版海图某灯塔灯高81m,额定光力射程24M,已知测者眼高为9m,则能见度良好(10 n mile)时该灯塔灯光的最大可见距离是 。
A.
26.4 n mile
B.
25.0 n mile
C.
24.0 n mile
D.
23.5 n mile
查看完整题目与答案
【单选题】Soil erosion turns field into .
A.
steppe
B.
deserts
C.
debris flow
D.
--
查看完整题目与答案
【单选题】英版海图某灯塔灯高69英尺，该轮额定光力射程18海里，你船眼高45英尺，当气象能见度为10海里时，该灯塔灯高最大可见距离为：
A.
18.0 海里
B.
17.2 海里
C.
12.2 海里
D.
10.0 海里
查看完整题目与答案
【简答题】Due to soil erosion, people living in the forest regions have to migrate annually in order to ______.
查看完整题目与答案
【单选题】The sharp decrease of soil erosion in 1982 resulted from
A.
the education of the USDA on farming technology.
B.
the practices of environmental protection on farming.
C.
the prevention of water runoff in the two large areas.
D.
the protection of plant residues around the whole year.
查看完整题目与答案
【单选题】______ is causing soil erosion(侵蚀)in the game reserves.
A.
The bad weather
B.
The disappearance of vegetation which is eaten by the animals
C.
The violent storms
D.
The animals
查看完整题目与答案
【多选题】下列哪些行为属于疫情期间公安机关严厉打击的违法犯罪行为?(多选)
A.
以故意逃避、恶意阻挠、暴力抗拒等方式拒不配合防疫、检疫、强制隔离、隔离治疗
B.
编造与疫情有关的虚假信息或明知道是编造的虚假信息而传播,制造恐慌、扰乱社会秩序
C.
明知已感染或可能感染新型冠状病毒,还故意进入公共场所传播扩散或者隐瞒情况与让人接触
D.
囤积居奇、哄抬物价、牟取暴利,严重扰乱市场秩序
查看完整题目与答案
【单选题】英版海图某灯塔灯高49m,额定光力射程25M,已知测者眼高为16m,则能见度良好(10 n mile)时该灯塔灯光的最大可见距离是 。
A.
19.3 n mile
B.
23.0 n mile
C.
24.2 n mile
D.
25.0 n mile
查看完整题目与答案